Home / 43,676.12-65,517.42-14,107.88

Finding the Fourth Proportional to 43,676.12, 65,517.42 and 14,107.88

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Solution

The fourth proportional to 43,676.12, 65,517.42 and 14,107.88 is: 21,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.12 : 65,517.42 = 14,107.88 : x
  2. Step 2: Convert to fraction form
    43,676.12/65,517.42 = 14,107.88/x
  3. Step 3: Cross multiply
    43,676.12x = 65,517.42 × 14,107.88
  4. Step 4: Simplify right side
    43,676.12x = 924,311,899.27
  5. Step 5: Solve for x
    x = 924,311,899.27/43,676.12
  6. Step 6: Final answer
    x = 21,162.87

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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.