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Finding the Fourth Proportional to 40,404, 60,609.45 and 12,330.37

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Solution

The fourth proportional to 40,404, 60,609.45 and 12,330.37 is: 18,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,404 : 60,609.45 = 12,330.37 : x
  2. Step 2: Convert to fraction form
    40,404/60,609.45 = 12,330.37/x
  3. Step 3: Cross multiply
    40,404x = 60,609.45 × 12,330.37
  4. Step 4: Simplify right side
    40,404x = 747,336,944.00
  5. Step 5: Solve for x
    x = 747,336,944.00/40,404
  6. Step 6: Final answer
    x = 18,496.61

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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.