Home / 33,245.13-45,871.57-21,150.42

Finding the Fourth Proportional to 33,245.13, 45,871.57 and 21,150.42

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Solution

The fourth proportional to 33,245.13, 45,871.57 and 21,150.42 is: 29,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.13 : 45,871.57 = 21,150.42 : x
  2. Step 2: Convert to fraction form
    33,245.13/45,871.57 = 21,150.42/x
  3. Step 3: Cross multiply
    33,245.13x = 45,871.57 × 21,150.42
  4. Step 4: Simplify right side
    33,245.13x = 970,202,707.01
  5. Step 5: Solve for x
    x = 970,202,707.01/33,245.13
  6. Step 6: Final answer
    x = 29,183.30

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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.