Home / 40,912.72-61,369.08-11,330.56

Finding the Fourth Proportional to 40,912.72, 61,369.08 and 11,330.56

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Solution

The fourth proportional to 40,912.72, 61,369.08 and 11,330.56 is: 16,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,912.72 : 61,369.08 = 11,330.56 : x
  2. Step 2: Convert to fraction form
    40,912.72/61,369.08 = 11,330.56/x
  3. Step 3: Cross multiply
    40,912.72x = 61,369.08 × 11,330.56
  4. Step 4: Simplify right side
    40,912.72x = 695,345,736.24
  5. Step 5: Solve for x
    x = 695,345,736.24/40,912.72
  6. Step 6: Final answer
    x = 16,995.83

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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.