Home / 42,463.68-63,691.61-14,380.52

Finding the Fourth Proportional to 42,463.68, 63,691.61 and 14,380.52

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Solution

The fourth proportional to 42,463.68, 63,691.61 and 14,380.52 is: 21,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.68 : 63,691.61 = 14,380.52 : x
  2. Step 2: Convert to fraction form
    42,463.68/63,691.61 = 14,380.52/x
  3. Step 3: Cross multiply
    42,463.68x = 63,691.61 × 14,380.52
  4. Step 4: Simplify right side
    42,463.68x = 915,918,081.08
  5. Step 5: Solve for x
    x = 915,918,081.08/42,463.68
  6. Step 6: Final answer
    x = 21,569.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.