Home / 57,660.43-79,513.17-38,540.24

Finding the Fourth Proportional to 57,660.43, 79,513.17 and 38,540.24

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Solution

The fourth proportional to 57,660.43, 79,513.17 and 38,540.24 is: 53,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,660.43 : 79,513.17 = 38,540.24 : x
  2. Step 2: Convert to fraction form
    57,660.43/79,513.17 = 38,540.24/x
  3. Step 3: Cross multiply
    57,660.43x = 79,513.17 × 38,540.24
  4. Step 4: Simplify right side
    57,660.43x = 3,064,456,351.71
  5. Step 5: Solve for x
    x = 3,064,456,351.71/57,660.43
  6. Step 6: Final answer
    x = 53,146.61

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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.