Home / 71,238.38-106,872.15-24,485.18

Finding the Fourth Proportional to 71,238.38, 106,872.15 and 24,485.18

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Solution

The fourth proportional to 71,238.38, 106,872.15 and 24,485.18 is: 36,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,238.38 : 106,872.15 = 24,485.18 : x
  2. Step 2: Convert to fraction form
    71,238.38/106,872.15 = 24,485.18/x
  3. Step 3: Cross multiply
    71,238.38x = 106,872.15 × 24,485.18
  4. Step 4: Simplify right side
    71,238.38x = 2,616,783,829.74
  5. Step 5: Solve for x
    x = 2,616,783,829.74/71,238.38
  6. Step 6: Final answer
    x = 36,732.78

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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.