Home / 38,691.57-53,374.72-25,270.68

Finding the Fourth Proportional to 38,691.57, 53,374.72 and 25,270.68

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Solution

The fourth proportional to 38,691.57, 53,374.72 and 25,270.68 is: 34,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.57 : 53,374.72 = 25,270.68 : x
  2. Step 2: Convert to fraction form
    38,691.57/53,374.72 = 25,270.68/x
  3. Step 3: Cross multiply
    38,691.57x = 53,374.72 × 25,270.68
  4. Step 4: Simplify right side
    38,691.57x = 1,348,815,724.64
  5. Step 5: Solve for x
    x = 1,348,815,724.64/38,691.57
  6. Step 6: Final answer
    x = 34,860.71

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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.