Home / 67,940.66-101,928.62-25,821.47

Finding the Fourth Proportional to 67,940.66, 101,928.62 and 25,821.47

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Solution

The fourth proportional to 67,940.66, 101,928.62 and 25,821.47 is: 38,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,940.66 : 101,928.62 = 25,821.47 : x
  2. Step 2: Convert to fraction form
    67,940.66/101,928.62 = 25,821.47/x
  3. Step 3: Cross multiply
    67,940.66x = 101,928.62 × 25,821.47
  4. Step 4: Simplify right side
    67,940.66x = 2,631,947,122.85
  5. Step 5: Solve for x
    x = 2,631,947,122.85/67,940.66
  6. Step 6: Final answer
    x = 38,738.91

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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.