Home / 39,766.20-54,828.78-29,151.48

Finding the Fourth Proportional to 39,766.20, 54,828.78 and 29,151.48

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Solution

The fourth proportional to 39,766.20, 54,828.78 and 29,151.48 is: 40,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,766.20 : 54,828.78 = 29,151.48 : x
  2. Step 2: Convert to fraction form
    39,766.20/54,828.78 = 29,151.48/x
  3. Step 3: Cross multiply
    39,766.20x = 54,828.78 × 29,151.48
  4. Step 4: Simplify right side
    39,766.20x = 1,598,340,083.59
  5. Step 5: Solve for x
    x = 1,598,340,083.59/39,766.20
  6. Step 6: Final answer
    x = 40,193.43

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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.