#### Solution for 31.91 is what percent of 15:

31.91:15*100 =

(31.91*100):15 =

3191:15 = 212.73333333333

Now we have: 31.91 is what percent of 15 = 212.73333333333

Question: 31.91 is what percent of 15?

Percentage solution with steps:

Step 1: We make the assumption that 15 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={15}.

Step 4: In the same vein, {x\%}={31.91}.

Step 5: This gives us a pair of simple equations:

{100\%}={15}(1).

{x\%}={31.91}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{15}{31.91}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{31.91}{15}

\Rightarrow{x} = {212.73333333333\%}

Therefore, {31.91} is {212.73333333333\%} of {15}.

#### Solution for 15 is what percent of 31.91:

15:31.91*100 =

(15*100):31.91 =

1500:31.91 = 47.007207771858

Now we have: 15 is what percent of 31.91 = 47.007207771858

Question: 15 is what percent of 31.91?

Percentage solution with steps:

Step 1: We make the assumption that 31.91 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={31.91}.

Step 4: In the same vein, {x\%}={15}.

Step 5: This gives us a pair of simple equations:

{100\%}={31.91}(1).

{x\%}={15}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{31.91}{15}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{15}{31.91}

\Rightarrow{x} = {47.007207771858\%}

Therefore, {15} is {47.007207771858\%} of {31.91}.

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