Home / 32,540.20-48,713.10-19,385.80

Finding the Fourth Proportional to 32,540.20, 48,713.10 and 19,385.80

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Solution

The fourth proportional to 32,540.20, 48,713.10 and 19,385.80 is: 29,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,540.20 : 48,713.10 = 19,385.80 : x
  2. Step 2: Convert to fraction form
    32,540.20/48,713.10 = 19,385.80/x
  3. Step 3: Cross multiply
    32,540.20x = 48,713.10 × 19,385.80
  4. Step 4: Simplify right side
    32,540.20x = 944,342,413.98
  5. Step 5: Solve for x
    x = 944,342,413.98/32,540.20
  6. Step 6: Final answer
    x = 29,020.79

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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.