Home / 51,161.03-76,751.96-21,578.97

Finding the Fourth Proportional to 51,161.03, 76,751.96 and 21,578.97

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Solution

The fourth proportional to 51,161.03, 76,751.96 and 21,578.97 is: 32,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.03 : 76,751.96 = 21,578.97 : x
  2. Step 2: Convert to fraction form
    51,161.03/76,751.96 = 21,578.97/x
  3. Step 3: Cross multiply
    51,161.03x = 76,751.96 × 21,578.97
  4. Step 4: Simplify right side
    51,161.03x = 1,656,228,134.39
  5. Step 5: Solve for x
    x = 1,656,228,134.39/51,161.03
  6. Step 6: Final answer
    x = 32,372.85

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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.