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Finding the Fourth Proportional to 57,701.70, 86,552.55 and 29,708.10

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Solution

The fourth proportional to 57,701.70, 86,552.55 and 29,708.10 is: 44,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.70 : 86,552.55 = 29,708.10 : x
  2. Step 2: Convert to fraction form
    57,701.70/86,552.55 = 29,708.10/x
  3. Step 3: Cross multiply
    57,701.70x = 86,552.55 × 29,708.10
  4. Step 4: Simplify right side
    57,701.70x = 2,571,311,810.66
  5. Step 5: Solve for x
    x = 2,571,311,810.66/57,701.70
  6. Step 6: Final answer
    x = 44,562.15

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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.