Home / 45,168.12-67,759.80-15,578.04

Finding the Fourth Proportional to 45,168.12, 67,759.80 and 15,578.04

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Solution

The fourth proportional to 45,168.12, 67,759.80 and 15,578.04 is: 23,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168.12 : 67,759.80 = 15,578.04 : x
  2. Step 2: Convert to fraction form
    45,168.12/67,759.80 = 15,578.04/x
  3. Step 3: Cross multiply
    45,168.12x = 67,759.80 × 15,578.04
  4. Step 4: Simplify right side
    45,168.12x = 1,055,564,874.79
  5. Step 5: Solve for x
    x = 1,055,564,874.79/45,168.12
  6. Step 6: Final answer
    x = 23,369.69

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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.