Home / 38,689.11-53,414.26-25,282.80

Finding the Fourth Proportional to 38,689.11, 53,414.26 and 25,282.80

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Solution

The fourth proportional to 38,689.11, 53,414.26 and 25,282.80 is: 34,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.11 : 53,414.26 = 25,282.80 : x
  2. Step 2: Convert to fraction form
    38,689.11/53,414.26 = 25,282.80/x
  3. Step 3: Cross multiply
    38,689.11x = 53,414.26 × 25,282.80
  4. Step 4: Simplify right side
    38,689.11x = 1,350,462,052.73
  5. Step 5: Solve for x
    x = 1,350,462,052.73/38,689.11
  6. Step 6: Final answer
    x = 34,905.48

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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.