Home / 39,290.56-54,228-25,142.92

Finding the Fourth Proportional to 39,290.56, 54,228 and 25,142.92

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Solution

The fourth proportional to 39,290.56, 54,228 and 25,142.92 is: 34,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,290.56 : 54,228 = 25,142.92 : x
  2. Step 2: Convert to fraction form
    39,290.56/54,228 = 25,142.92/x
  3. Step 3: Cross multiply
    39,290.56x = 54,228 × 25,142.92
  4. Step 4: Simplify right side
    39,290.56x = 1,363,450,265.76
  5. Step 5: Solve for x
    x = 1,363,450,265.76/39,290.56
  6. Step 6: Final answer
    x = 34,701.73

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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.