Home / 69,982.20-104,941.71-20,050.87

Finding the Fourth Proportional to 69,982.20, 104,941.71 and 20,050.87

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Solution

The fourth proportional to 69,982.20, 104,941.71 and 20,050.87 is: 30,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,982.20 : 104,941.71 = 20,050.87 : x
  2. Step 2: Convert to fraction form
    69,982.20/104,941.71 = 20,050.87/x
  3. Step 3: Cross multiply
    69,982.20x = 104,941.71 × 20,050.87
  4. Step 4: Simplify right side
    69,982.20x = 2,104,172,584.79
  5. Step 5: Solve for x
    x = 2,104,172,584.79/69,982.20
  6. Step 6: Final answer
    x = 30,067.25

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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.