Home / 37,428.36-51,654.96-21,513.48

Finding the Fourth Proportional to 37,428.36, 51,654.96 and 21,513.48

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Solution

The fourth proportional to 37,428.36, 51,654.96 and 21,513.48 is: 29,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.36 : 51,654.96 = 21,513.48 : x
  2. Step 2: Convert to fraction form
    37,428.36/51,654.96 = 21,513.48/x
  3. Step 3: Cross multiply
    37,428.36x = 51,654.96 × 21,513.48
  4. Step 4: Simplify right side
    37,428.36x = 1,111,277,948.86
  5. Step 5: Solve for x
    x = 1,111,277,948.86/37,428.36
  6. Step 6: Final answer
    x = 29,690.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.