Home / 39,132.75-54,003.20-22,366.11

Finding the Fourth Proportional to 39,132.75, 54,003.20 and 22,366.11

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Solution

The fourth proportional to 39,132.75, 54,003.20 and 22,366.11 is: 30,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.75 : 54,003.20 = 22,366.11 : x
  2. Step 2: Convert to fraction form
    39,132.75/54,003.20 = 22,366.11/x
  3. Step 3: Cross multiply
    39,132.75x = 54,003.20 × 22,366.11
  4. Step 4: Simplify right side
    39,132.75x = 1,207,841,399.72
  5. Step 5: Solve for x
    x = 1,207,841,399.72/39,132.75
  6. Step 6: Final answer
    x = 30,865.23

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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.