Home / 54,990.20-82,494.66-21,692.84

Finding the Fourth Proportional to 54,990.20, 82,494.66 and 21,692.84

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Solution

The fourth proportional to 54,990.20, 82,494.66 and 21,692.84 is: 32,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,990.20 : 82,494.66 = 21,692.84 : x
  2. Step 2: Convert to fraction form
    54,990.20/82,494.66 = 21,692.84/x
  3. Step 3: Cross multiply
    54,990.20x = 82,494.66 × 21,692.84
  4. Step 4: Simplify right side
    54,990.20x = 1,789,543,460.23
  5. Step 5: Solve for x
    x = 1,789,543,460.23/54,990.20
  6. Step 6: Final answer
    x = 32,542.95

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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.