Home / 68,969.28-103,435.04-19,037.44

Finding the Fourth Proportional to 68,969.28, 103,435.04 and 19,037.44

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Solution

The fourth proportional to 68,969.28, 103,435.04 and 19,037.44 is: 28,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,969.28 : 103,435.04 = 19,037.44 : x
  2. Step 2: Convert to fraction form
    68,969.28/103,435.04 = 19,037.44/x
  3. Step 3: Cross multiply
    68,969.28x = 103,435.04 × 19,037.44
  4. Step 4: Simplify right side
    68,969.28x = 1,969,138,367.90
  5. Step 5: Solve for x
    x = 1,969,138,367.90/68,969.28
  6. Step 6: Final answer
    x = 28,550.95

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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.