Home / 51,449.20-77,179.47-16,380.70

Finding the Fourth Proportional to 51,449.20, 77,179.47 and 16,380.70

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Solution

The fourth proportional to 51,449.20, 77,179.47 and 16,380.70 is: 24,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449.20 : 77,179.47 = 16,380.70 : x
  2. Step 2: Convert to fraction form
    51,449.20/77,179.47 = 16,380.70/x
  3. Step 3: Cross multiply
    51,449.20x = 77,179.47 × 16,380.70
  4. Step 4: Simplify right side
    51,449.20x = 1,264,253,744.23
  5. Step 5: Solve for x
    x = 1,264,253,744.23/51,449.20
  6. Step 6: Final answer
    x = 24,572.86

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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.