Home / 41,982.25-57,916.76-28,365.90

Finding the Fourth Proportional to 41,982.25, 57,916.76 and 28,365.90

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Solution

The fourth proportional to 41,982.25, 57,916.76 and 28,365.90 is: 39,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,982.25 : 57,916.76 = 28,365.90 : x
  2. Step 2: Convert to fraction form
    41,982.25/57,916.76 = 28,365.90/x
  3. Step 3: Cross multiply
    41,982.25x = 57,916.76 × 28,365.90
  4. Step 4: Simplify right side
    41,982.25x = 1,642,861,022.48
  5. Step 5: Solve for x
    x = 1,642,861,022.48/41,982.25
  6. Step 6: Final answer
    x = 39,132.28

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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.