Home / 41,729.42-57,555.18-28,982.61

Finding the Fourth Proportional to 41,729.42, 57,555.18 and 28,982.61

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Solution

The fourth proportional to 41,729.42, 57,555.18 and 28,982.61 is: 39,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,729.42 : 57,555.18 = 28,982.61 : x
  2. Step 2: Convert to fraction form
    41,729.42/57,555.18 = 28,982.61/x
  3. Step 3: Cross multiply
    41,729.42x = 57,555.18 × 28,982.61
  4. Step 4: Simplify right side
    41,729.42x = 1,668,099,551.25
  5. Step 5: Solve for x
    x = 1,668,099,551.25/41,729.42
  6. Step 6: Final answer
    x = 39,974.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.