Home / 41,408.88-57,142.80-22,545.60

Finding the Fourth Proportional to 41,408.88, 57,142.80 and 22,545.60

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Solution

The fourth proportional to 41,408.88, 57,142.80 and 22,545.60 is: 31,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,408.88 : 57,142.80 = 22,545.60 : x
  2. Step 2: Convert to fraction form
    41,408.88/57,142.80 = 22,545.60/x
  3. Step 3: Cross multiply
    41,408.88x = 57,142.80 × 22,545.60
  4. Step 4: Simplify right side
    41,408.88x = 1,288,318,711.68
  5. Step 5: Solve for x
    x = 1,288,318,711.68/41,408.88
  6. Step 6: Final answer
    x = 31,112.14

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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.