Home / 36,916.20-55,382.40-18,205.20

Finding the Fourth Proportional to 36,916.20, 55,382.40 and 18,205.20

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Solution

The fourth proportional to 36,916.20, 55,382.40 and 18,205.20 is: 27,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,916.20 : 55,382.40 = 18,205.20 : x
  2. Step 2: Convert to fraction form
    36,916.20/55,382.40 = 18,205.20/x
  3. Step 3: Cross multiply
    36,916.20x = 55,382.40 × 18,205.20
  4. Step 4: Simplify right side
    36,916.20x = 1,008,247,668.48
  5. Step 5: Solve for x
    x = 1,008,247,668.48/36,916.20
  6. Step 6: Final answer
    x = 27,311.79

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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.