Home / 39,632.20-54,692.22-21,727.96

Finding the Fourth Proportional to 39,632.20, 54,692.22 and 21,727.96

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Solution

The fourth proportional to 39,632.20, 54,692.22 and 21,727.96 is: 29,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,632.20 : 54,692.22 = 21,727.96 : x
  2. Step 2: Convert to fraction form
    39,632.20/54,692.22 = 21,727.96/x
  3. Step 3: Cross multiply
    39,632.20x = 54,692.22 × 21,727.96
  4. Step 4: Simplify right side
    39,632.20x = 1,188,350,368.47
  5. Step 5: Solve for x
    x = 1,188,350,368.47/39,632.20
  6. Step 6: Final answer
    x = 29,984.47

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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.