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Finding the Fourth Proportional to 54,748.44, 82,122.66 and 13,195.44

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Solution

The fourth proportional to 54,748.44, 82,122.66 and 13,195.44 is: 19,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,748.44 : 82,122.66 = 13,195.44 : x
  2. Step 2: Convert to fraction form
    54,748.44/82,122.66 = 13,195.44/x
  3. Step 3: Cross multiply
    54,748.44x = 82,122.66 × 13,195.44
  4. Step 4: Simplify right side
    54,748.44x = 1,083,644,632.67
  5. Step 5: Solve for x
    x = 1,083,644,632.67/54,748.44
  6. Step 6: Final answer
    x = 19,793.16

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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.