Home / 29,120.04-43,680.06-19,321.92

Finding the Fourth Proportional to 29,120.04, 43,680.06 and 19,321.92

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Solution

The fourth proportional to 29,120.04, 43,680.06 and 19,321.92 is: 28,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.04 : 43,680.06 = 19,321.92 : x
  2. Step 2: Convert to fraction form
    29,120.04/43,680.06 = 19,321.92/x
  3. Step 3: Cross multiply
    29,120.04x = 43,680.06 × 19,321.92
  4. Step 4: Simplify right side
    29,120.04x = 843,982,624.92
  5. Step 5: Solve for x
    x = 843,982,624.92/29,120.04
  6. Step 6: Final answer
    x = 28,982.88

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Similar ratio
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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.