Home / 41,640.60-62,439.30-15,331.80

Finding the Fourth Proportional to 41,640.60, 62,439.30 and 15,331.80

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Solution

The fourth proportional to 41,640.60, 62,439.30 and 15,331.80 is: 22,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,640.60 : 62,439.30 = 15,331.80 : x
  2. Step 2: Convert to fraction form
    41,640.60/62,439.30 = 15,331.80/x
  3. Step 3: Cross multiply
    41,640.60x = 62,439.30 × 15,331.80
  4. Step 4: Simplify right side
    41,640.60x = 957,306,859.74
  5. Step 5: Solve for x
    x = 957,306,859.74/41,640.60
  6. Step 6: Final answer
    x = 22,989.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.