Home / 43,674.12-65,514.42-14,105.88

Finding the Fourth Proportional to 43,674.12, 65,514.42 and 14,105.88

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Solution

The fourth proportional to 43,674.12, 65,514.42 and 14,105.88 is: 21,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674.12 : 65,514.42 = 14,105.88 : x
  2. Step 2: Convert to fraction form
    43,674.12/65,514.42 = 14,105.88/x
  3. Step 3: Cross multiply
    43,674.12x = 65,514.42 × 14,105.88
  4. Step 4: Simplify right side
    43,674.12x = 924,138,546.79
  5. Step 5: Solve for x
    x = 924,138,546.79/43,674.12
  6. Step 6: Final answer
    x = 21,159.87

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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.