Home / 43,876.78-65,815.12-14,294.57

Finding the Fourth Proportional to 43,876.78, 65,815.12 and 14,294.57

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Solution

The fourth proportional to 43,876.78, 65,815.12 and 14,294.57 is: 21,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,876.78 : 65,815.12 = 14,294.57 : x
  2. Step 2: Convert to fraction form
    43,876.78/65,815.12 = 14,294.57/x
  3. Step 3: Cross multiply
    43,876.78x = 65,815.12 × 14,294.57
  4. Step 4: Simplify right side
    43,876.78x = 940,798,839.90
  5. Step 5: Solve for x
    x = 940,798,839.90/43,876.78
  6. Step 6: Final answer
    x = 21,441.84

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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.