Home / 51,780.72-77,605.92-22,163.52

Finding the Fourth Proportional to 51,780.72, 77,605.92 and 22,163.52

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Solution

The fourth proportional to 51,780.72, 77,605.92 and 22,163.52 is: 33,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.72 : 77,605.92 = 22,163.52 : x
  2. Step 2: Convert to fraction form
    51,780.72/77,605.92 = 22,163.52/x
  3. Step 3: Cross multiply
    51,780.72x = 77,605.92 × 22,163.52
  4. Step 4: Simplify right side
    51,780.72x = 1,720,020,360.04
  5. Step 5: Solve for x
    x = 1,720,020,360.04/51,780.72
  6. Step 6: Final answer
    x = 33,217.39

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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.