Home / 55,885.97-83,837.30-18,450

Finding the Fourth Proportional to 55,885.97, 83,837.30 and 18,450

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Solution

The fourth proportional to 55,885.97, 83,837.30 and 18,450 is: 27,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,885.97 : 83,837.30 = 18,450 : x
  2. Step 2: Convert to fraction form
    55,885.97/83,837.30 = 18,450/x
  3. Step 3: Cross multiply
    55,885.97x = 83,837.30 × 18,450
  4. Step 4: Simplify right side
    55,885.97x = 1,546,798,092.75
  5. Step 5: Solve for x
    x = 1,546,798,092.75/55,885.97
  6. Step 6: Final answer
    x = 27,677.75

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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.