Home / 38,452.73-57,678.72-12,157.47

Finding the Fourth Proportional to 38,452.73, 57,678.72 and 12,157.47

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Solution

The fourth proportional to 38,452.73, 57,678.72 and 12,157.47 is: 18,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.73 : 57,678.72 = 12,157.47 : x
  2. Step 2: Convert to fraction form
    38,452.73/57,678.72 = 12,157.47/x
  3. Step 3: Cross multiply
    38,452.73x = 57,678.72 × 12,157.47
  4. Step 4: Simplify right side
    38,452.73x = 701,227,308.04
  5. Step 5: Solve for x
    x = 701,227,308.04/38,452.73
  6. Step 6: Final answer
    x = 18,236.09

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.