Home / 69,882.30-104,839.70-19,963.08

Finding the Fourth Proportional to 69,882.30, 104,839.70 and 19,963.08

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Solution

The fourth proportional to 69,882.30, 104,839.70 and 19,963.08 is: 29,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,882.30 : 104,839.70 = 19,963.08 : x
  2. Step 2: Convert to fraction form
    69,882.30/104,839.70 = 19,963.08/x
  3. Step 3: Cross multiply
    69,882.30x = 104,839.70 × 19,963.08
  4. Step 4: Simplify right side
    69,882.30x = 2,092,923,218.46
  5. Step 5: Solve for x
    x = 2,092,923,218.46/69,882.30
  6. Step 6: Final answer
    x = 29,949.26

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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.