Home / 42,545.17-63,824.69-12,562.44

Finding the Fourth Proportional to 42,545.17, 63,824.69 and 12,562.44

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Solution

The fourth proportional to 42,545.17, 63,824.69 and 12,562.44 is: 18,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.17 : 63,824.69 = 12,562.44 : x
  2. Step 2: Convert to fraction form
    42,545.17/63,824.69 = 12,562.44/x
  3. Step 3: Cross multiply
    42,545.17x = 63,824.69 × 12,562.44
  4. Step 4: Simplify right side
    42,545.17x = 801,793,838.64
  5. Step 5: Solve for x
    x = 801,793,838.64/42,545.17
  6. Step 6: Final answer
    x = 18,845.71

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1.5x scale

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.