Home / 50,919.60-76,390.20-15,382.20

Finding the Fourth Proportional to 50,919.60, 76,390.20 and 15,382.20

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Solution

The fourth proportional to 50,919.60, 76,390.20 and 15,382.20 is: 23,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,919.60 : 76,390.20 = 15,382.20 : x
  2. Step 2: Convert to fraction form
    50,919.60/76,390.20 = 15,382.20/x
  3. Step 3: Cross multiply
    50,919.60x = 76,390.20 × 15,382.20
  4. Step 4: Simplify right side
    50,919.60x = 1,175,049,334.44
  5. Step 5: Solve for x
    x = 1,175,049,334.44/50,919.60
  6. Step 6: Final answer
    x = 23,076.56

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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.