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Finding the Fourth Proportional to 41,089.52, 61,627.56 and 18,902

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Solution

The fourth proportional to 41,089.52, 61,627.56 and 18,902 is: 28,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,089.52 : 61,627.56 = 18,902 : x
  2. Step 2: Convert to fraction form
    41,089.52/61,627.56 = 18,902/x
  3. Step 3: Cross multiply
    41,089.52x = 61,627.56 × 18,902
  4. Step 4: Simplify right side
    41,089.52x = 1,164,884,139.12
  5. Step 5: Solve for x
    x = 1,164,884,139.12/41,089.52
  6. Step 6: Final answer
    x = 28,349.91

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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.