Home / 83,489.44-125,233.98-21,159.76

Finding the Fourth Proportional to 83,489.44, 125,233.98 and 21,159.76

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Solution

The fourth proportional to 83,489.44, 125,233.98 and 21,159.76 is: 31,739.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,489.44 : 125,233.98 = 21,159.76 : x
  2. Step 2: Convert to fraction form
    83,489.44/125,233.98 = 21,159.76/x
  3. Step 3: Cross multiply
    83,489.44x = 125,233.98 × 21,159.76
  4. Step 4: Simplify right side
    83,489.44x = 2,649,920,960.64
  5. Step 5: Solve for x
    x = 2,649,920,960.64/83,489.44
  6. Step 6: Final answer
    x = 31,739.59

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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.