Home / 50,872.40-76,320.20-15,815.60

Finding the Fourth Proportional to 50,872.40, 76,320.20 and 15,815.60

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Solution

The fourth proportional to 50,872.40, 76,320.20 and 15,815.60 is: 23,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.40 : 76,320.20 = 15,815.60 : x
  2. Step 2: Convert to fraction form
    50,872.40/76,320.20 = 15,815.60/x
  3. Step 3: Cross multiply
    50,872.40x = 76,320.20 × 15,815.60
  4. Step 4: Simplify right side
    50,872.40x = 1,207,049,755.12
  5. Step 5: Solve for x
    x = 1,207,049,755.12/50,872.40
  6. Step 6: Final answer
    x = 23,727.01

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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.