Home / 69,879.26-104,822.35-19,966.71

Finding the Fourth Proportional to 69,879.26, 104,822.35 and 19,966.71

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Solution

The fourth proportional to 69,879.26, 104,822.35 and 19,966.71 is: 29,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,879.26 : 104,822.35 = 19,966.71 : x
  2. Step 2: Convert to fraction form
    69,879.26/104,822.35 = 19,966.71/x
  3. Step 3: Cross multiply
    69,879.26x = 104,822.35 × 19,966.71
  4. Step 4: Simplify right side
    69,879.26x = 2,092,957,766.78
  5. Step 5: Solve for x
    x = 2,092,957,766.78/69,879.26
  6. Step 6: Final answer
    x = 29,951.06

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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.