Home / 51,408.92-77,078.18-27,396.80

Finding the Fourth Proportional to 51,408.92, 77,078.18 and 27,396.80

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Solution

The fourth proportional to 51,408.92, 77,078.18 and 27,396.80 is: 41,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,408.92 : 77,078.18 = 27,396.80 : x
  2. Step 2: Convert to fraction form
    51,408.92/77,078.18 = 27,396.80/x
  3. Step 3: Cross multiply
    51,408.92x = 77,078.18 × 27,396.80
  4. Step 4: Simplify right side
    51,408.92x = 2,111,695,164.93
  5. Step 5: Solve for x
    x = 2,111,695,164.93/51,408.92
  6. Step 6: Final answer
    x = 41,076.43

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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.