Home / 54,640.20-81,972.66-16,692.90

Finding the Fourth Proportional to 54,640.20, 81,972.66 and 16,692.90

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Solution

The fourth proportional to 54,640.20, 81,972.66 and 16,692.90 is: 25,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.20 : 81,972.66 = 16,692.90 : x
  2. Step 2: Convert to fraction form
    54,640.20/81,972.66 = 16,692.90/x
  3. Step 3: Cross multiply
    54,640.20x = 81,972.66 × 16,692.90
  4. Step 4: Simplify right side
    54,640.20x = 1,368,361,416.11
  5. Step 5: Solve for x
    x = 1,368,361,416.11/54,640.20
  6. Step 6: Final answer
    x = 25,043.13

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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.