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Finding the Fourth Proportional to 34,761.88, 52,142.52 and 12,566.88

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Solution

The fourth proportional to 34,761.88, 52,142.52 and 12,566.88 is: 18,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,761.88 : 52,142.52 = 12,566.88 : x
  2. Step 2: Convert to fraction form
    34,761.88/52,142.52 = 12,566.88/x
  3. Step 3: Cross multiply
    34,761.88x = 52,142.52 × 12,566.88
  4. Step 4: Simplify right side
    34,761.88x = 655,268,791.74
  5. Step 5: Solve for x
    x = 655,268,791.74/34,761.88
  6. Step 6: Final answer
    x = 18,850.21

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1.5x scale

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.