Home / 63,982.20-88,293.60-35,687.28

Finding the Fourth Proportional to 63,982.20, 88,293.60 and 35,687.28

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Solution

The fourth proportional to 63,982.20, 88,293.60 and 35,687.28 is: 49,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,982.20 : 88,293.60 = 35,687.28 : x
  2. Step 2: Convert to fraction form
    63,982.20/88,293.60 = 35,687.28/x
  3. Step 3: Cross multiply
    63,982.20x = 88,293.60 × 35,687.28
  4. Step 4: Simplify right side
    63,982.20x = 3,150,958,425.41
  5. Step 5: Solve for x
    x = 3,150,958,425.41/63,982.20
  6. Step 6: Final answer
    x = 49,247.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.