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Finding the Fourth Proportional to 65,652.73, 98,470.89 and 18,271.37

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Solution

The fourth proportional to 65,652.73, 98,470.89 and 18,271.37 is: 27,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,652.73 : 98,470.89 = 18,271.37 : x
  2. Step 2: Convert to fraction form
    65,652.73/98,470.89 = 18,271.37/x
  3. Step 3: Cross multiply
    65,652.73x = 98,470.89 × 18,271.37
  4. Step 4: Simplify right side
    65,652.73x = 1,799,198,311.60
  5. Step 5: Solve for x
    x = 1,799,198,311.60/65,652.73
  6. Step 6: Final answer
    x = 27,404.78

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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.