Home / 68,324.43-102,489.39-21,577.32

Finding the Fourth Proportional to 68,324.43, 102,489.39 and 21,577.32

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Solution

The fourth proportional to 68,324.43, 102,489.39 and 21,577.32 is: 32,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,324.43 : 102,489.39 = 21,577.32 : x
  2. Step 2: Convert to fraction form
    68,324.43/102,489.39 = 21,577.32/x
  3. Step 3: Cross multiply
    68,324.43x = 102,489.39 × 21,577.32
  4. Step 4: Simplify right side
    68,324.43x = 2,211,446,364.63
  5. Step 5: Solve for x
    x = 2,211,446,364.63/68,324.43
  6. Step 6: Final answer
    x = 32,366.85

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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.