Home / 50,198.78-75,321.15-21,744.43

Finding the Fourth Proportional to 50,198.78, 75,321.15 and 21,744.43

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Solution

The fourth proportional to 50,198.78, 75,321.15 and 21,744.43 is: 32,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,198.78 : 75,321.15 = 21,744.43 : x
  2. Step 2: Convert to fraction form
    50,198.78/75,321.15 = 21,744.43/x
  3. Step 3: Cross multiply
    50,198.78x = 75,321.15 × 21,744.43
  4. Step 4: Simplify right side
    50,198.78x = 1,637,815,473.69
  5. Step 5: Solve for x
    x = 1,637,815,473.69/50,198.78
  6. Step 6: Final answer
    x = 32,626.60

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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.