Home / 69,843.18-104,781.03-19,923.96

Finding the Fourth Proportional to 69,843.18, 104,781.03 and 19,923.96

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Solution

The fourth proportional to 69,843.18, 104,781.03 and 19,923.96 is: 29,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,843.18 : 104,781.03 = 19,923.96 : x
  2. Step 2: Convert to fraction form
    69,843.18/104,781.03 = 19,923.96/x
  3. Step 3: Cross multiply
    69,843.18x = 104,781.03 × 19,923.96
  4. Step 4: Simplify right side
    69,843.18x = 2,087,652,526.57
  5. Step 5: Solve for x
    x = 2,087,652,526.57/69,843.18
  6. Step 6: Final answer
    x = 29,890.57

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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.