Home / 51,585.72-77,380.41-16,520.82

Finding the Fourth Proportional to 51,585.72, 77,380.41 and 16,520.82

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Solution

The fourth proportional to 51,585.72, 77,380.41 and 16,520.82 is: 24,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585.72 : 77,380.41 = 16,520.82 : x
  2. Step 2: Convert to fraction form
    51,585.72/77,380.41 = 16,520.82/x
  3. Step 3: Cross multiply
    51,585.72x = 77,380.41 × 16,520.82
  4. Step 4: Simplify right side
    51,585.72x = 1,278,387,825.14
  5. Step 5: Solve for x
    x = 1,278,387,825.14/51,585.72
  6. Step 6: Final answer
    x = 24,781.82

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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.