Home / 49,121.40-73,693.62-19,540.92

Finding the Fourth Proportional to 49,121.40, 73,693.62 and 19,540.92

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Solution

The fourth proportional to 49,121.40, 73,693.62 and 19,540.92 is: 29,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.40 : 73,693.62 = 19,540.92 : x
  2. Step 2: Convert to fraction form
    49,121.40/73,693.62 = 19,540.92/x
  3. Step 3: Cross multiply
    49,121.40x = 73,693.62 × 19,540.92
  4. Step 4: Simplify right side
    49,121.40x = 1,440,041,132.93
  5. Step 5: Solve for x
    x = 1,440,041,132.93/49,121.40
  6. Step 6: Final answer
    x = 29,315.96

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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.