Home / 51,449.20-77,179.34-16,380.66

Finding the Fourth Proportional to 51,449.20, 77,179.34 and 16,380.66

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Solution

The fourth proportional to 51,449.20, 77,179.34 and 16,380.66 is: 24,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449.20 : 77,179.34 = 16,380.66 : x
  2. Step 2: Convert to fraction form
    51,449.20/77,179.34 = 16,380.66/x
  3. Step 3: Cross multiply
    51,449.20x = 77,179.34 × 16,380.66
  4. Step 4: Simplify right side
    51,449.20x = 1,264,248,527.56
  5. Step 5: Solve for x
    x = 1,264,248,527.56/51,449.20
  6. Step 6: Final answer
    x = 24,572.75

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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.