Home / 51,614.34-77,429.20-18,331.61

Finding the Fourth Proportional to 51,614.34, 77,429.20 and 18,331.61

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Solution

The fourth proportional to 51,614.34, 77,429.20 and 18,331.61 is: 27,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,614.34 : 77,429.20 = 18,331.61 : x
  2. Step 2: Convert to fraction form
    51,614.34/77,429.20 = 18,331.61/x
  3. Step 3: Cross multiply
    51,614.34x = 77,429.20 × 18,331.61
  4. Step 4: Simplify right side
    51,614.34x = 1,419,401,657.61
  5. Step 5: Solve for x
    x = 1,419,401,657.61/51,614.34
  6. Step 6: Final answer
    x = 27,500.14

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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.