Home / 40,956.72-61,431.71-11,375.25

Finding the Fourth Proportional to 40,956.72, 61,431.71 and 11,375.25

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Solution

The fourth proportional to 40,956.72, 61,431.71 and 11,375.25 is: 17,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956.72 : 61,431.71 = 11,375.25 : x
  2. Step 2: Convert to fraction form
    40,956.72/61,431.71 = 11,375.25/x
  3. Step 3: Cross multiply
    40,956.72x = 61,431.71 × 11,375.25
  4. Step 4: Simplify right side
    40,956.72x = 698,801,002.30
  5. Step 5: Solve for x
    x = 698,801,002.30/40,956.72
  6. Step 6: Final answer
    x = 17,061.94

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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.