Home / 42,436.66-63,633.12-29,129.98

Finding the Fourth Proportional to 42,436.66, 63,633.12 and 29,129.98

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Solution

The fourth proportional to 42,436.66, 63,633.12 and 29,129.98 is: 43,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,436.66 : 63,633.12 = 29,129.98 : x
  2. Step 2: Convert to fraction form
    42,436.66/63,633.12 = 29,129.98/x
  3. Step 3: Cross multiply
    42,436.66x = 63,633.12 × 29,129.98
  4. Step 4: Simplify right side
    42,436.66x = 1,853,631,512.94
  5. Step 5: Solve for x
    x = 1,853,631,512.94/42,436.66
  6. Step 6: Final answer
    x = 43,679.96

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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.