Home / 55,540.08-76,647.24-30,391.92

Finding the Fourth Proportional to 55,540.08, 76,647.24 and 30,391.92

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Solution

The fourth proportional to 55,540.08, 76,647.24 and 30,391.92 is: 41,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.08 : 76,647.24 = 30,391.92 : x
  2. Step 2: Convert to fraction form
    55,540.08/76,647.24 = 30,391.92/x
  3. Step 3: Cross multiply
    55,540.08x = 76,647.24 × 30,391.92
  4. Step 4: Simplify right side
    55,540.08x = 2,329,456,786.30
  5. Step 5: Solve for x
    x = 2,329,456,786.30/55,540.08
  6. Step 6: Final answer
    x = 41,941.91

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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.