Home / 36,728.74-55,067.11-18,951.84

Finding the Fourth Proportional to 36,728.74, 55,067.11 and 18,951.84

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Solution

The fourth proportional to 36,728.74, 55,067.11 and 18,951.84 is: 28,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,728.74 : 55,067.11 = 18,951.84 : x
  2. Step 2: Convert to fraction form
    36,728.74/55,067.11 = 18,951.84/x
  3. Step 3: Cross multiply
    36,728.74x = 55,067.11 × 18,951.84
  4. Step 4: Simplify right side
    36,728.74x = 1,043,623,010.60
  5. Step 5: Solve for x
    x = 1,043,623,010.60/36,728.74
  6. Step 6: Final answer
    x = 28,414.34

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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.