Home / 41,685.92-57,487.71-38,589.69

Finding the Fourth Proportional to 41,685.92, 57,487.71 and 38,589.69

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Solution

The fourth proportional to 41,685.92, 57,487.71 and 38,589.69 is: 53,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,685.92 : 57,487.71 = 38,589.69 : x
  2. Step 2: Convert to fraction form
    41,685.92/57,487.71 = 38,589.69/x
  3. Step 3: Cross multiply
    41,685.92x = 57,487.71 × 38,589.69
  4. Step 4: Simplify right side
    41,685.92x = 2,218,432,811.24
  5. Step 5: Solve for x
    x = 2,218,432,811.24/41,685.92
  6. Step 6: Final answer
    x = 53,217.79

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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.