Home / 37,942.26-52,363.23-20,949.78

Finding the Fourth Proportional to 37,942.26, 52,363.23 and 20,949.78

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Solution

The fourth proportional to 37,942.26, 52,363.23 and 20,949.78 is: 28,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,942.26 : 52,363.23 = 20,949.78 : x
  2. Step 2: Convert to fraction form
    37,942.26/52,363.23 = 20,949.78/x
  3. Step 3: Cross multiply
    37,942.26x = 52,363.23 × 20,949.78
  4. Step 4: Simplify right side
    37,942.26x = 1,096,998,148.59
  5. Step 5: Solve for x
    x = 1,096,998,148.59/37,942.26
  6. Step 6: Final answer
    x = 28,912.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.