Home / 49,912.29-74,847.65-20,310.03

Finding the Fourth Proportional to 49,912.29, 74,847.65 and 20,310.03

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Solution

The fourth proportional to 49,912.29, 74,847.65 and 20,310.03 is: 30,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.29 : 74,847.65 = 20,310.03 : x
  2. Step 2: Convert to fraction form
    49,912.29/74,847.65 = 20,310.03/x
  3. Step 3: Cross multiply
    49,912.29x = 74,847.65 × 20,310.03
  4. Step 4: Simplify right side
    49,912.29x = 1,520,157,915.38
  5. Step 5: Solve for x
    x = 1,520,157,915.38/49,912.29
  6. Step 6: Final answer
    x = 30,456.59

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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.