Home / 41,517.81-57,277.13-28,949.85

Finding the Fourth Proportional to 41,517.81, 57,277.13 and 28,949.85

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Solution

The fourth proportional to 41,517.81, 57,277.13 and 28,949.85 is: 39,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,517.81 : 57,277.13 = 28,949.85 : x
  2. Step 2: Convert to fraction form
    41,517.81/57,277.13 = 28,949.85/x
  3. Step 3: Cross multiply
    41,517.81x = 57,277.13 × 28,949.85
  4. Step 4: Simplify right side
    41,517.81x = 1,658,164,177.18
  5. Step 5: Solve for x
    x = 1,658,164,177.18/41,517.81
  6. Step 6: Final answer
    x = 39,938.62

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1.5x scale

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.