Home / 51,167.08-76,745.76-17,881

Finding the Fourth Proportional to 51,167.08, 76,745.76 and 17,881

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Solution

The fourth proportional to 51,167.08, 76,745.76 and 17,881 is: 26,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,167.08 : 76,745.76 = 17,881 : x
  2. Step 2: Convert to fraction form
    51,167.08/76,745.76 = 17,881/x
  3. Step 3: Cross multiply
    51,167.08x = 76,745.76 × 17,881
  4. Step 4: Simplify right side
    51,167.08x = 1,372,290,934.56
  5. Step 5: Solve for x
    x = 1,372,290,934.56/51,167.08
  6. Step 6: Final answer
    x = 26,819.80

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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.