Home / 69,542.32-104,321.64-22,140.80

Finding the Fourth Proportional to 69,542.32, 104,321.64 and 22,140.80

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Solution

The fourth proportional to 69,542.32, 104,321.64 and 22,140.80 is: 33,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,542.32 : 104,321.64 = 22,140.80 : x
  2. Step 2: Convert to fraction form
    69,542.32/104,321.64 = 22,140.80/x
  3. Step 3: Cross multiply
    69,542.32x = 104,321.64 × 22,140.80
  4. Step 4: Simplify right side
    69,542.32x = 2,309,764,566.91
  5. Step 5: Solve for x
    x = 2,309,764,566.91/69,542.32
  6. Step 6: Final answer
    x = 33,213.80

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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.