Home / 39,387.60-54,373.28-25,248.51

Finding the Fourth Proportional to 39,387.60, 54,373.28 and 25,248.51

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Solution

The fourth proportional to 39,387.60, 54,373.28 and 25,248.51 is: 34,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387.60 : 54,373.28 = 25,248.51 : x
  2. Step 2: Convert to fraction form
    39,387.60/54,373.28 = 25,248.51/x
  3. Step 3: Cross multiply
    39,387.60x = 54,373.28 × 25,248.51
  4. Step 4: Simplify right side
    39,387.60x = 1,372,844,177.57
  5. Step 5: Solve for x
    x = 1,372,844,177.57/39,387.60
  6. Step 6: Final answer
    x = 34,854.73

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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.