Home / 62,755.20-94,130.88-21,198.72

Finding the Fourth Proportional to 62,755.20, 94,130.88 and 21,198.72

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Solution

The fourth proportional to 62,755.20, 94,130.88 and 21,198.72 is: 31,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,755.20 : 94,130.88 = 21,198.72 : x
  2. Step 2: Convert to fraction form
    62,755.20/94,130.88 = 21,198.72/x
  3. Step 3: Cross multiply
    62,755.20x = 94,130.88 × 21,198.72
  4. Step 4: Simplify right side
    62,755.20x = 1,995,454,168.47
  5. Step 5: Solve for x
    x = 1,995,454,168.47/62,755.20
  6. Step 6: Final answer
    x = 31,797.43

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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.