Home / 57,680.71-86,520.56-18,237.85

Finding the Fourth Proportional to 57,680.71, 86,520.56 and 18,237.85

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Solution

The fourth proportional to 57,680.71, 86,520.56 and 18,237.85 is: 27,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680.71 : 86,520.56 = 18,237.85 : x
  2. Step 2: Convert to fraction form
    57,680.71/86,520.56 = 18,237.85/x
  3. Step 3: Cross multiply
    57,680.71x = 86,520.56 × 18,237.85
  4. Step 4: Simplify right side
    57,680.71x = 1,577,948,904.01
  5. Step 5: Solve for x
    x = 1,577,948,904.01/57,680.71
  6. Step 6: Final answer
    x = 27,356.61

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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.