Home / 39,819.47-59,737.85-12,116.75

Finding the Fourth Proportional to 39,819.47, 59,737.85 and 12,116.75

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Solution

The fourth proportional to 39,819.47, 59,737.85 and 12,116.75 is: 18,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.47 : 59,737.85 = 12,116.75 : x
  2. Step 2: Convert to fraction form
    39,819.47/59,737.85 = 12,116.75/x
  3. Step 3: Cross multiply
    39,819.47x = 59,737.85 × 12,116.75
  4. Step 4: Simplify right side
    39,819.47x = 723,828,593.99
  5. Step 5: Solve for x
    x = 723,828,593.99/39,819.47
  6. Step 6: Final answer
    x = 18,177.76

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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.