Home / 41,028.20-61,517.70-18,813.75

Finding the Fourth Proportional to 41,028.20, 61,517.70 and 18,813.75

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Solution

The fourth proportional to 41,028.20, 61,517.70 and 18,813.75 is: 28,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,028.20 : 61,517.70 = 18,813.75 : x
  2. Step 2: Convert to fraction form
    41,028.20/61,517.70 = 18,813.75/x
  3. Step 3: Cross multiply
    41,028.20x = 61,517.70 × 18,813.75
  4. Step 4: Simplify right side
    41,028.20x = 1,157,378,796.63
  5. Step 5: Solve for x
    x = 1,157,378,796.63/41,028.20
  6. Step 6: Final answer
    x = 28,209.35

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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.