Home / 43,450.78-65,171.01-11,863.42

Finding the Fourth Proportional to 43,450.78, 65,171.01 and 11,863.42

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Solution

The fourth proportional to 43,450.78, 65,171.01 and 11,863.42 is: 17,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,450.78 : 65,171.01 = 11,863.42 : x
  2. Step 2: Convert to fraction form
    43,450.78/65,171.01 = 11,863.42/x
  3. Step 3: Cross multiply
    43,450.78x = 65,171.01 × 11,863.42
  4. Step 4: Simplify right side
    43,450.78x = 773,151,063.45
  5. Step 5: Solve for x
    x = 773,151,063.45/43,450.78
  6. Step 6: Final answer
    x = 17,793.72

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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.