Home / 39,534.71-54,591.14-28,238.85

Finding the Fourth Proportional to 39,534.71, 54,591.14 and 28,238.85

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Solution

The fourth proportional to 39,534.71, 54,591.14 and 28,238.85 is: 38,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,534.71 : 54,591.14 = 28,238.85 : x
  2. Step 2: Convert to fraction form
    39,534.71/54,591.14 = 28,238.85/x
  3. Step 3: Cross multiply
    39,534.71x = 54,591.14 × 28,238.85
  4. Step 4: Simplify right side
    39,534.71x = 1,541,591,013.79
  5. Step 5: Solve for x
    x = 1,541,591,013.79/39,534.71
  6. Step 6: Final answer
    x = 38,993.36

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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.