Home / 55,512.55-83,269.62-18,072.82

Finding the Fourth Proportional to 55,512.55, 83,269.62 and 18,072.82

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Solution

The fourth proportional to 55,512.55, 83,269.62 and 18,072.82 is: 27,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.55 : 83,269.62 = 18,072.82 : x
  2. Step 2: Convert to fraction form
    55,512.55/83,269.62 = 18,072.82/x
  3. Step 3: Cross multiply
    55,512.55x = 83,269.62 × 18,072.82
  4. Step 4: Simplify right side
    55,512.55x = 1,504,916,853.73
  5. Step 5: Solve for x
    x = 1,504,916,853.73/55,512.55
  6. Step 6: Final answer
    x = 27,109.49

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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.