Home / 68,865.02-103,283.93-18,932.24

Finding the Fourth Proportional to 68,865.02, 103,283.93 and 18,932.24

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Solution

The fourth proportional to 68,865.02, 103,283.93 and 18,932.24 is: 28,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,865.02 : 103,283.93 = 18,932.24 : x
  2. Step 2: Convert to fraction form
    68,865.02/103,283.93 = 18,932.24/x
  3. Step 3: Cross multiply
    68,865.02x = 103,283.93 × 18,932.24
  4. Step 4: Simplify right side
    68,865.02x = 1,955,396,150.90
  5. Step 5: Solve for x
    x = 1,955,396,150.90/68,865.02
  6. Step 6: Final answer
    x = 28,394.62

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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.