Home / 32,909.20-45,396.25-20,168.56

Finding the Fourth Proportional to 32,909.20, 45,396.25 and 20,168.56

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Solution

The fourth proportional to 32,909.20, 45,396.25 and 20,168.56 is: 27,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.20 : 45,396.25 = 20,168.56 : x
  2. Step 2: Convert to fraction form
    32,909.20/45,396.25 = 20,168.56/x
  3. Step 3: Cross multiply
    32,909.20x = 45,396.25 × 20,168.56
  4. Step 4: Simplify right side
    32,909.20x = 915,576,998.22
  5. Step 5: Solve for x
    x = 915,576,998.22/32,909.20
  6. Step 6: Final answer
    x = 27,821.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.