Home / 51,174.72-76,620.33-26,160.90

Finding the Fourth Proportional to 51,174.72, 76,620.33 and 26,160.90

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Solution

The fourth proportional to 51,174.72, 76,620.33 and 26,160.90 is: 39,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.72 : 76,620.33 = 26,160.90 : x
  2. Step 2: Convert to fraction form
    51,174.72/76,620.33 = 26,160.90/x
  3. Step 3: Cross multiply
    51,174.72x = 76,620.33 × 26,160.90
  4. Step 4: Simplify right side
    51,174.72x = 2,004,456,791.10
  5. Step 5: Solve for x
    x = 2,004,456,791.10/51,174.72
  6. Step 6: Final answer
    x = 39,168.89

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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.