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Finding the Fourth Proportional to 56,892.68, 85,290.80 and 23,591.96

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Solution

The fourth proportional to 56,892.68, 85,290.80 and 23,591.96 is: 35,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,892.68 : 85,290.80 = 23,591.96 : x
  2. Step 2: Convert to fraction form
    56,892.68/85,290.80 = 23,591.96/x
  3. Step 3: Cross multiply
    56,892.68x = 85,290.80 × 23,591.96
  4. Step 4: Simplify right side
    56,892.68x = 2,012,177,141.97
  5. Step 5: Solve for x
    x = 2,012,177,141.97/56,892.68
  6. Step 6: Final answer
    x = 35,367.94

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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.