Home / 29,385.52-40,565.28-18,789.44

Finding the Fourth Proportional to 29,385.52, 40,565.28 and 18,789.44

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Solution

The fourth proportional to 29,385.52, 40,565.28 and 18,789.44 is: 25,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.52 : 40,565.28 = 18,789.44 : x
  2. Step 2: Convert to fraction form
    29,385.52/40,565.28 = 18,789.44/x
  3. Step 3: Cross multiply
    29,385.52x = 40,565.28 × 18,789.44
  4. Step 4: Simplify right side
    29,385.52x = 762,198,894.64
  5. Step 5: Solve for x
    x = 762,198,894.64/29,385.52
  6. Step 6: Final answer
    x = 25,937.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.