Home / 48,781.78-73,171.55-22,486.48

Finding the Fourth Proportional to 48,781.78, 73,171.55 and 22,486.48

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Solution

The fourth proportional to 48,781.78, 73,171.55 and 22,486.48 is: 33,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,781.78 : 73,171.55 = 22,486.48 : x
  2. Step 2: Convert to fraction form
    48,781.78/73,171.55 = 22,486.48/x
  3. Step 3: Cross multiply
    48,781.78x = 73,171.55 × 22,486.48
  4. Step 4: Simplify right side
    48,781.78x = 1,645,370,468.93
  5. Step 5: Solve for x
    x = 1,645,370,468.93/48,781.78
  6. Step 6: Final answer
    x = 33,729.20

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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.