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Finding the Fourth Proportional to 29,704.96, 41,008.08 and 20,195.20

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Solution

The fourth proportional to 29,704.96, 41,008.08 and 20,195.20 is: 27,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,704.96 : 41,008.08 = 20,195.20 : x
  2. Step 2: Convert to fraction form
    29,704.96/41,008.08 = 20,195.20/x
  3. Step 3: Cross multiply
    29,704.96x = 41,008.08 × 20,195.20
  4. Step 4: Simplify right side
    29,704.96x = 828,166,377.22
  5. Step 5: Solve for x
    x = 828,166,377.22/29,704.96
  6. Step 6: Final answer
    x = 27,879.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.