Home / 42,545.86-63,840.32-17,603.80

Finding the Fourth Proportional to 42,545.86, 63,840.32 and 17,603.80

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Solution

The fourth proportional to 42,545.86, 63,840.32 and 17,603.80 is: 26,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.86 : 63,840.32 = 17,603.80 : x
  2. Step 2: Convert to fraction form
    42,545.86/63,840.32 = 17,603.80/x
  3. Step 3: Cross multiply
    42,545.86x = 63,840.32 × 17,603.80
  4. Step 4: Simplify right side
    42,545.86x = 1,123,832,225.22
  5. Step 5: Solve for x
    x = 1,123,832,225.22/42,545.86
  6. Step 6: Final answer
    x = 26,414.61

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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.