Home / 50,608.20-75,912.30-31,945.80

Finding the Fourth Proportional to 50,608.20, 75,912.30 and 31,945.80

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Solution

The fourth proportional to 50,608.20, 75,912.30 and 31,945.80 is: 47,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,608.20 : 75,912.30 = 31,945.80 : x
  2. Step 2: Convert to fraction form
    50,608.20/75,912.30 = 31,945.80/x
  3. Step 3: Cross multiply
    50,608.20x = 75,912.30 × 31,945.80
  4. Step 4: Simplify right side
    50,608.20x = 2,425,079,153.34
  5. Step 5: Solve for x
    x = 2,425,079,153.34/50,608.20
  6. Step 6: Final answer
    x = 47,918.70

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Similar ratio
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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.