Home / 38,647.30-57,992.55-16,456.90

Finding the Fourth Proportional to 38,647.30, 57,992.55 and 16,456.90

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Solution

The fourth proportional to 38,647.30, 57,992.55 and 16,456.90 is: 24,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647.30 : 57,992.55 = 16,456.90 : x
  2. Step 2: Convert to fraction form
    38,647.30/57,992.55 = 16,456.90/x
  3. Step 3: Cross multiply
    38,647.30x = 57,992.55 × 16,456.90
  4. Step 4: Simplify right side
    38,647.30x = 954,377,596.10
  5. Step 5: Solve for x
    x = 954,377,596.10/38,647.30
  6. Step 6: Final answer
    x = 24,694.55

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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.