Home / 63,694.20-95,541.30-19,318.80

Finding the Fourth Proportional to 63,694.20, 95,541.30 and 19,318.80

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Solution

The fourth proportional to 63,694.20, 95,541.30 and 19,318.80 is: 28,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,694.20 : 95,541.30 = 19,318.80 : x
  2. Step 2: Convert to fraction form
    63,694.20/95,541.30 = 19,318.80/x
  3. Step 3: Cross multiply
    63,694.20x = 95,541.30 × 19,318.80
  4. Step 4: Simplify right side
    63,694.20x = 1,845,743,266.44
  5. Step 5: Solve for x
    x = 1,845,743,266.44/63,694.20
  6. Step 6: Final answer
    x = 28,978.20

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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.