Home / 43,974.90-65,959.52-18,997.34

Finding the Fourth Proportional to 43,974.90, 65,959.52 and 18,997.34

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Solution

The fourth proportional to 43,974.90, 65,959.52 and 18,997.34 is: 28,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,974.90 : 65,959.52 = 18,997.34 : x
  2. Step 2: Convert to fraction form
    43,974.90/65,959.52 = 18,997.34/x
  3. Step 3: Cross multiply
    43,974.90x = 65,959.52 × 18,997.34
  4. Step 4: Simplify right side
    43,974.90x = 1,253,055,002.89
  5. Step 5: Solve for x
    x = 1,253,055,002.89/43,974.90
  6. Step 6: Final answer
    x = 28,494.78

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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.