Home / 39,425.57-54,399.17-22,655.33

Finding the Fourth Proportional to 39,425.57, 54,399.17 and 22,655.33

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Solution

The fourth proportional to 39,425.57, 54,399.17 and 22,655.33 is: 31,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.57 : 54,399.17 = 22,655.33 : x
  2. Step 2: Convert to fraction form
    39,425.57/54,399.17 = 22,655.33/x
  3. Step 3: Cross multiply
    39,425.57x = 54,399.17 × 22,655.33
  4. Step 4: Simplify right side
    39,425.57x = 1,232,431,034.80
  5. Step 5: Solve for x
    x = 1,232,431,034.80/39,425.57
  6. Step 6: Final answer
    x = 31,259.69

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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.