Home / 68,253.44-102,377.28-21,539.84

Finding the Fourth Proportional to 68,253.44, 102,377.28 and 21,539.84

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Solution

The fourth proportional to 68,253.44, 102,377.28 and 21,539.84 is: 32,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,253.44 : 102,377.28 = 21,539.84 : x
  2. Step 2: Convert to fraction form
    68,253.44/102,377.28 = 21,539.84/x
  3. Step 3: Cross multiply
    68,253.44x = 102,377.28 × 21,539.84
  4. Step 4: Simplify right side
    68,253.44x = 2,205,190,230.84
  5. Step 5: Solve for x
    x = 2,205,190,230.84/68,253.44
  6. Step 6: Final answer
    x = 32,308.85

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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.