Home / 41,686.92-57,489.09-38,590.69

Finding the Fourth Proportional to 41,686.92, 57,489.09 and 38,590.69

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Solution

The fourth proportional to 41,686.92, 57,489.09 and 38,590.69 is: 53,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,686.92 : 57,489.09 = 38,590.69 : x
  2. Step 2: Convert to fraction form
    41,686.92/57,489.09 = 38,590.69/x
  3. Step 3: Cross multiply
    41,686.92x = 57,489.09 × 38,590.69
  4. Step 4: Simplify right side
    41,686.92x = 2,218,543,650.57
  5. Step 5: Solve for x
    x = 2,218,543,650.57/41,686.92
  6. Step 6: Final answer
    x = 53,219.18

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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.