Home / 51,976.13-71,745.49-30,755.35

Finding the Fourth Proportional to 51,976.13, 71,745.49 and 30,755.35

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Solution

The fourth proportional to 51,976.13, 71,745.49 and 30,755.35 is: 42,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.13 : 71,745.49 = 30,755.35 : x
  2. Step 2: Convert to fraction form
    51,976.13/71,745.49 = 30,755.35/x
  3. Step 3: Cross multiply
    51,976.13x = 71,745.49 × 30,755.35
  4. Step 4: Simplify right side
    51,976.13x = 2,206,557,655.87
  5. Step 5: Solve for x
    x = 2,206,557,655.87/51,976.13
  6. Step 6: Final answer
    x = 42,453.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.