Home / 38,452.26-57,672.62-31,920.42

Finding the Fourth Proportional to 38,452.26, 57,672.62 and 31,920.42

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Solution

The fourth proportional to 38,452.26, 57,672.62 and 31,920.42 is: 47,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.26 : 57,672.62 = 31,920.42 : x
  2. Step 2: Convert to fraction form
    38,452.26/57,672.62 = 31,920.42/x
  3. Step 3: Cross multiply
    38,452.26x = 57,672.62 × 31,920.42
  4. Step 4: Simplify right side
    38,452.26x = 1,840,934,252.90
  5. Step 5: Solve for x
    x = 1,840,934,252.90/38,452.26
  6. Step 6: Final answer
    x = 47,875.84

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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.