Home / 39,251.18-54,174.42-22,255.76

Finding the Fourth Proportional to 39,251.18, 54,174.42 and 22,255.76

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Solution

The fourth proportional to 39,251.18, 54,174.42 and 22,255.76 is: 30,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.18 : 54,174.42 = 22,255.76 : x
  2. Step 2: Convert to fraction form
    39,251.18/54,174.42 = 22,255.76/x
  3. Step 3: Cross multiply
    39,251.18x = 54,174.42 × 22,255.76
  4. Step 4: Simplify right side
    39,251.18x = 1,205,693,025.10
  5. Step 5: Solve for x
    x = 1,205,693,025.10/39,251.18
  6. Step 6: Final answer
    x = 30,717.37

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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.