Home / 72,226.62-108,341.16-19,634.82

Finding the Fourth Proportional to 72,226.62, 108,341.16 and 19,634.82

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Solution

The fourth proportional to 72,226.62, 108,341.16 and 19,634.82 is: 29,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,226.62 : 108,341.16 = 19,634.82 : x
  2. Step 2: Convert to fraction form
    72,226.62/108,341.16 = 19,634.82/x
  3. Step 3: Cross multiply
    72,226.62x = 108,341.16 × 19,634.82
  4. Step 4: Simplify right side
    72,226.62x = 2,127,259,175.19
  5. Step 5: Solve for x
    x = 2,127,259,175.19/72,226.62
  6. Step 6: Final answer
    x = 29,452.56

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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.