Home / 42,414.24-63,622-14,712.80

Finding the Fourth Proportional to 42,414.24, 63,622 and 14,712.80

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Solution

The fourth proportional to 42,414.24, 63,622 and 14,712.80 is: 22,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.24 : 63,622 = 14,712.80 : x
  2. Step 2: Convert to fraction form
    42,414.24/63,622 = 14,712.80/x
  3. Step 3: Cross multiply
    42,414.24x = 63,622 × 14,712.80
  4. Step 4: Simplify right side
    42,414.24x = 936,057,761.60
  5. Step 5: Solve for x
    x = 936,057,761.60/42,414.24
  6. Step 6: Final answer
    x = 22,069.42

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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.