Home / 50,920.57-76,380.72-28,723.87

Finding the Fourth Proportional to 50,920.57, 76,380.72 and 28,723.87

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Solution

The fourth proportional to 50,920.57, 76,380.72 and 28,723.87 is: 43,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,920.57 : 76,380.72 = 28,723.87 : x
  2. Step 2: Convert to fraction form
    50,920.57/76,380.72 = 28,723.87/x
  3. Step 3: Cross multiply
    50,920.57x = 76,380.72 × 28,723.87
  4. Step 4: Simplify right side
    50,920.57x = 2,193,949,871.79
  5. Step 5: Solve for x
    x = 2,193,949,871.79/50,920.57
  6. Step 6: Final answer
    x = 43,085.73

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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.