Home / 67,989.24-101,948.84-30,517.20

Finding the Fourth Proportional to 67,989.24, 101,948.84 and 30,517.20

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Solution

The fourth proportional to 67,989.24, 101,948.84 and 30,517.20 is: 45,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,989.24 : 101,948.84 = 30,517.20 : x
  2. Step 2: Convert to fraction form
    67,989.24/101,948.84 = 30,517.20/x
  3. Step 3: Cross multiply
    67,989.24x = 101,948.84 × 30,517.20
  4. Step 4: Simplify right side
    67,989.24x = 3,111,193,140.05
  5. Step 5: Solve for x
    x = 3,111,193,140.05/67,989.24
  6. Step 6: Final answer
    x = 45,760.08

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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.