Home / 50,856.50-76,274.32-19,255.65

Finding the Fourth Proportional to 50,856.50, 76,274.32 and 19,255.65

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Solution

The fourth proportional to 50,856.50, 76,274.32 and 19,255.65 is: 28,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,856.50 : 76,274.32 = 19,255.65 : x
  2. Step 2: Convert to fraction form
    50,856.50/76,274.32 = 19,255.65/x
  3. Step 3: Cross multiply
    50,856.50x = 76,274.32 × 19,255.65
  4. Step 4: Simplify right side
    50,856.50x = 1,468,711,847.80
  5. Step 5: Solve for x
    x = 1,468,711,847.80/50,856.50
  6. Step 6: Final answer
    x = 28,879.53

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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.