Home / 69,732.24-96,230.04-39,930

Finding the Fourth Proportional to 69,732.24, 96,230.04 and 39,930

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Solution

The fourth proportional to 69,732.24, 96,230.04 and 39,930 is: 55,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,732.24 : 96,230.04 = 39,930 : x
  2. Step 2: Convert to fraction form
    69,732.24/96,230.04 = 39,930/x
  3. Step 3: Cross multiply
    69,732.24x = 96,230.04 × 39,930
  4. Step 4: Simplify right side
    69,732.24x = 3,842,465,497.20
  5. Step 5: Solve for x
    x = 3,842,465,497.20/69,732.24
  6. Step 6: Final answer
    x = 55,103.14

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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.