Home / 45,489.12-68,247.12-23,318.04

Finding the Fourth Proportional to 45,489.12, 68,247.12 and 23,318.04

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Solution

The fourth proportional to 45,489.12, 68,247.12 and 23,318.04 is: 34,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.12 : 68,247.12 = 23,318.04 : x
  2. Step 2: Convert to fraction form
    45,489.12/68,247.12 = 23,318.04/x
  3. Step 3: Cross multiply
    45,489.12x = 68,247.12 × 23,318.04
  4. Step 4: Simplify right side
    45,489.12x = 1,591,389,074.04
  5. Step 5: Solve for x
    x = 1,591,389,074.04/45,489.12
  6. Step 6: Final answer
    x = 34,983.95

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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.