Home / 33,422.96-50,134.80-13,687.76

Finding the Fourth Proportional to 33,422.96, 50,134.80 and 13,687.76

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Solution

The fourth proportional to 33,422.96, 50,134.80 and 13,687.76 is: 20,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.96 : 50,134.80 = 13,687.76 : x
  2. Step 2: Convert to fraction form
    33,422.96/50,134.80 = 13,687.76/x
  3. Step 3: Cross multiply
    33,422.96x = 50,134.80 × 13,687.76
  4. Step 4: Simplify right side
    33,422.96x = 686,233,110.05
  5. Step 5: Solve for x
    x = 686,233,110.05/33,422.96
  6. Step 6: Final answer
    x = 20,531.79

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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.