Home / 39,721.20-59,614.20-38,425.20

Finding the Fourth Proportional to 39,721.20, 59,614.20 and 38,425.20

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Solution

The fourth proportional to 39,721.20, 59,614.20 and 38,425.20 is: 57,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.20 : 59,614.20 = 38,425.20 : x
  2. Step 2: Convert to fraction form
    39,721.20/59,614.20 = 38,425.20/x
  3. Step 3: Cross multiply
    39,721.20x = 59,614.20 × 38,425.20
  4. Step 4: Simplify right side
    39,721.20x = 2,290,687,557.84
  5. Step 5: Solve for x
    x = 2,290,687,557.84/39,721.20
  6. Step 6: Final answer
    x = 57,669.14

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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.