Home / 63,139.80-94,724.52-18,766.92

Finding the Fourth Proportional to 63,139.80, 94,724.52 and 18,766.92

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Solution

The fourth proportional to 63,139.80, 94,724.52 and 18,766.92 is: 28,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139.80 : 94,724.52 = 18,766.92 : x
  2. Step 2: Convert to fraction form
    63,139.80/94,724.52 = 18,766.92/x
  3. Step 3: Cross multiply
    63,139.80x = 94,724.52 × 18,766.92
  4. Step 4: Simplify right side
    63,139.80x = 1,777,687,488.88
  5. Step 5: Solve for x
    x = 1,777,687,488.88/63,139.80
  6. Step 6: Final answer
    x = 28,154.78

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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.