Home / 45,964.90-68,939.13-12,231.11

Finding the Fourth Proportional to 45,964.90, 68,939.13 and 12,231.11

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Solution

The fourth proportional to 45,964.90, 68,939.13 and 12,231.11 is: 18,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,964.90 : 68,939.13 = 12,231.11 : x
  2. Step 2: Convert to fraction form
    45,964.90/68,939.13 = 12,231.11/x
  3. Step 3: Cross multiply
    45,964.90x = 68,939.13 × 12,231.11
  4. Step 4: Simplify right side
    45,964.90x = 843,202,082.33
  5. Step 5: Solve for x
    x = 843,202,082.33/45,964.90
  6. Step 6: Final answer
    x = 18,344.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.