Home / 42,436.62-63,558.03-20,265.61

Finding the Fourth Proportional to 42,436.62, 63,558.03 and 20,265.61

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Solution

The fourth proportional to 42,436.62, 63,558.03 and 20,265.61 is: 30,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,436.62 : 63,558.03 = 20,265.61 : x
  2. Step 2: Convert to fraction form
    42,436.62/63,558.03 = 20,265.61/x
  3. Step 3: Cross multiply
    42,436.62x = 63,558.03 × 20,265.61
  4. Step 4: Simplify right side
    42,436.62x = 1,288,042,248.35
  5. Step 5: Solve for x
    x = 1,288,042,248.35/42,436.62
  6. Step 6: Final answer
    x = 30,352.14

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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.