Home / 71,659.13-107,488.94-21,739.64

Finding the Fourth Proportional to 71,659.13, 107,488.94 and 21,739.64

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Solution

The fourth proportional to 71,659.13, 107,488.94 and 21,739.64 is: 32,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659.13 : 107,488.94 = 21,739.64 : x
  2. Step 2: Convert to fraction form
    71,659.13/107,488.94 = 21,739.64/x
  3. Step 3: Cross multiply
    71,659.13x = 107,488.94 × 21,739.64
  4. Step 4: Simplify right side
    71,659.13x = 2,336,770,213.44
  5. Step 5: Solve for x
    x = 2,336,770,213.44/71,659.13
  6. Step 6: Final answer
    x = 32,609.53

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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.