Home / 36,545.66-50,432.96-20,629.78

Finding the Fourth Proportional to 36,545.66, 50,432.96 and 20,629.78

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Solution

The fourth proportional to 36,545.66, 50,432.96 and 20,629.78 is: 28,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,545.66 : 50,432.96 = 20,629.78 : x
  2. Step 2: Convert to fraction form
    36,545.66/50,432.96 = 20,629.78/x
  3. Step 3: Cross multiply
    36,545.66x = 50,432.96 × 20,629.78
  4. Step 4: Simplify right side
    36,545.66x = 1,040,420,869.55
  5. Step 5: Solve for x
    x = 1,040,420,869.55/36,545.66
  6. Step 6: Final answer
    x = 28,469.07

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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.