Home / 33,279.31-49,921.35-10,481.20

Finding the Fourth Proportional to 33,279.31, 49,921.35 and 10,481.20

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Solution

The fourth proportional to 33,279.31, 49,921.35 and 10,481.20 is: 15,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.31 : 49,921.35 = 10,481.20 : x
  2. Step 2: Convert to fraction form
    33,279.31/49,921.35 = 10,481.20/x
  3. Step 3: Cross multiply
    33,279.31x = 49,921.35 × 10,481.20
  4. Step 4: Simplify right side
    33,279.31x = 523,235,653.62
  5. Step 5: Solve for x
    x = 523,235,653.62/33,279.31
  6. Step 6: Final answer
    x = 15,722.55

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1.5x scale

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.