Home / 39,605.97-54,660.18-22,612.78

Finding the Fourth Proportional to 39,605.97, 54,660.18 and 22,612.78

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Solution

The fourth proportional to 39,605.97, 54,660.18 and 22,612.78 is: 31,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,605.97 : 54,660.18 = 22,612.78 : x
  2. Step 2: Convert to fraction form
    39,605.97/54,660.18 = 22,612.78/x
  3. Step 3: Cross multiply
    39,605.97x = 54,660.18 × 22,612.78
  4. Step 4: Simplify right side
    39,605.97x = 1,236,018,625.10
  5. Step 5: Solve for x
    x = 1,236,018,625.10/39,605.97
  6. Step 6: Final answer
    x = 31,207.89

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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.