Home / 42,434.66-63,630.12-29,127.98

Finding the Fourth Proportional to 42,434.66, 63,630.12 and 29,127.98

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Solution

The fourth proportional to 42,434.66, 63,630.12 and 29,127.98 is: 43,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,434.66 : 63,630.12 = 29,127.98 : x
  2. Step 2: Convert to fraction form
    42,434.66/63,630.12 = 29,127.98/x
  3. Step 3: Cross multiply
    42,434.66x = 63,630.12 × 29,127.98
  4. Step 4: Simplify right side
    42,434.66x = 1,853,416,862.76
  5. Step 5: Solve for x
    x = 1,853,416,862.76/42,434.66
  6. Step 6: Final answer
    x = 43,676.96

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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.