Home / 36,218.80-54,339.52-10,919.28

Finding the Fourth Proportional to 36,218.80, 54,339.52 and 10,919.28

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Solution

The fourth proportional to 36,218.80, 54,339.52 and 10,919.28 is: 16,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.80 : 54,339.52 = 10,919.28 : x
  2. Step 2: Convert to fraction form
    36,218.80/54,339.52 = 10,919.28/x
  3. Step 3: Cross multiply
    36,218.80x = 54,339.52 × 10,919.28
  4. Step 4: Simplify right side
    36,218.80x = 593,348,433.95
  5. Step 5: Solve for x
    x = 593,348,433.95/36,218.80
  6. Step 6: Final answer
    x = 16,382.33

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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.