Home / 84,229.56-126,343.82-21,049.35

Finding the Fourth Proportional to 84,229.56, 126,343.82 and 21,049.35

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Solution

The fourth proportional to 84,229.56, 126,343.82 and 21,049.35 is: 31,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,229.56 : 126,343.82 = 21,049.35 : x
  2. Step 2: Convert to fraction form
    84,229.56/126,343.82 = 21,049.35/x
  3. Step 3: Cross multiply
    84,229.56x = 126,343.82 × 21,049.35
  4. Step 4: Simplify right side
    84,229.56x = 2,659,455,734.99
  5. Step 5: Solve for x
    x = 2,659,455,734.99/84,229.56
  6. Step 6: Final answer
    x = 31,573.90

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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.