Home / 50,559.31-75,806.57-20,997.55

Finding the Fourth Proportional to 50,559.31, 75,806.57 and 20,997.55

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Solution

The fourth proportional to 50,559.31, 75,806.57 and 20,997.55 is: 31,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,559.31 : 75,806.57 = 20,997.55 : x
  2. Step 2: Convert to fraction form
    50,559.31/75,806.57 = 20,997.55/x
  3. Step 3: Cross multiply
    50,559.31x = 75,806.57 × 20,997.55
  4. Step 4: Simplify right side
    50,559.31x = 1,591,752,138.92
  5. Step 5: Solve for x
    x = 1,591,752,138.92/50,559.31
  6. Step 6: Final answer
    x = 31,482.87

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1.5x scale

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.