Home / 39,937.64-59,943.24-20,229.92

Finding the Fourth Proportional to 39,937.64, 59,943.24 and 20,229.92

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Solution

The fourth proportional to 39,937.64, 59,943.24 and 20,229.92 is: 30,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.64 : 59,943.24 = 20,229.92 : x
  2. Step 2: Convert to fraction form
    39,937.64/59,943.24 = 20,229.92/x
  3. Step 3: Cross multiply
    39,937.64x = 59,943.24 × 20,229.92
  4. Step 4: Simplify right side
    39,937.64x = 1,212,646,949.74
  5. Step 5: Solve for x
    x = 1,212,646,949.74/39,937.64
  6. Step 6: Final answer
    x = 30,363.51

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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.