Home / 55,154.43-82,754.97-30,165.30

Finding the Fourth Proportional to 55,154.43, 82,754.97 and 30,165.30

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Solution

The fourth proportional to 55,154.43, 82,754.97 and 30,165.30 is: 45,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.43 : 82,754.97 = 30,165.30 : x
  2. Step 2: Convert to fraction form
    55,154.43/82,754.97 = 30,165.30/x
  3. Step 3: Cross multiply
    55,154.43x = 82,754.97 × 30,165.30
  4. Step 4: Simplify right side
    55,154.43x = 2,496,328,496.54
  5. Step 5: Solve for x
    x = 2,496,328,496.54/55,154.43
  6. Step 6: Final answer
    x = 45,260.71

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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.