Home / 40,369.60-60,557.49-12,292.05

Finding the Fourth Proportional to 40,369.60, 60,557.49 and 12,292.05

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Solution

The fourth proportional to 40,369.60, 60,557.49 and 12,292.05 is: 18,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.60 : 60,557.49 = 12,292.05 : x
  2. Step 2: Convert to fraction form
    40,369.60/60,557.49 = 12,292.05/x
  3. Step 3: Cross multiply
    40,369.60x = 60,557.49 × 12,292.05
  4. Step 4: Simplify right side
    40,369.60x = 744,375,694.95
  5. Step 5: Solve for x
    x = 744,375,694.95/40,369.60
  6. Step 6: Final answer
    x = 18,439.02

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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.