Home / 43,974.78-65,965.23-17,679.54

Finding the Fourth Proportional to 43,974.78, 65,965.23 and 17,679.54

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Solution

The fourth proportional to 43,974.78, 65,965.23 and 17,679.54 is: 26,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,974.78 : 65,965.23 = 17,679.54 : x
  2. Step 2: Convert to fraction form
    43,974.78/65,965.23 = 17,679.54/x
  3. Step 3: Cross multiply
    43,974.78x = 65,965.23 × 17,679.54
  4. Step 4: Simplify right side
    43,974.78x = 1,166,234,922.39
  5. Step 5: Solve for x
    x = 1,166,234,922.39/43,974.78
  6. Step 6: Final answer
    x = 26,520.54

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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.