Home / 55,625.09-83,442.75-18,185.36

Finding the Fourth Proportional to 55,625.09, 83,442.75 and 18,185.36

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Solution

The fourth proportional to 55,625.09, 83,442.75 and 18,185.36 is: 27,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.09 : 83,442.75 = 18,185.36 : x
  2. Step 2: Convert to fraction form
    55,625.09/83,442.75 = 18,185.36/x
  3. Step 3: Cross multiply
    55,625.09x = 83,442.75 × 18,185.36
  4. Step 4: Simplify right side
    55,625.09x = 1,517,436,065.02
  5. Step 5: Solve for x
    x = 1,517,436,065.02/55,625.09
  6. Step 6: Final answer
    x = 27,279.71

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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.