Home / 41,747.60-57,640.20-29,176.40

Finding the Fourth Proportional to 41,747.60, 57,640.20 and 29,176.40

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Solution

The fourth proportional to 41,747.60, 57,640.20 and 29,176.40 is: 40,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,747.60 : 57,640.20 = 29,176.40 : x
  2. Step 2: Convert to fraction form
    41,747.60/57,640.20 = 29,176.40/x
  3. Step 3: Cross multiply
    41,747.60x = 57,640.20 × 29,176.40
  4. Step 4: Simplify right side
    41,747.60x = 1,681,733,531.28
  5. Step 5: Solve for x
    x = 1,681,733,531.28/41,747.60
  6. Step 6: Final answer
    x = 40,283.36

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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.