Home / 55,422.82-83,146.52-15,976.85

Finding the Fourth Proportional to 55,422.82, 83,146.52 and 15,976.85

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Solution

The fourth proportional to 55,422.82, 83,146.52 and 15,976.85 is: 23,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.82 : 83,146.52 = 15,976.85 : x
  2. Step 2: Convert to fraction form
    55,422.82/83,146.52 = 15,976.85/x
  3. Step 3: Cross multiply
    55,422.82x = 83,146.52 × 15,976.85
  4. Step 4: Simplify right side
    55,422.82x = 1,328,419,518.00
  5. Step 5: Solve for x
    x = 1,328,419,518.00/55,422.82
  6. Step 6: Final answer
    x = 23,968.82

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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.