Home / 36,178.94-54,224.67-18,639.20

Finding the Fourth Proportional to 36,178.94, 54,224.67 and 18,639.20

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Solution

The fourth proportional to 36,178.94, 54,224.67 and 18,639.20 is: 27,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178.94 : 54,224.67 = 18,639.20 : x
  2. Step 2: Convert to fraction form
    36,178.94/54,224.67 = 18,639.20/x
  3. Step 3: Cross multiply
    36,178.94x = 54,224.67 × 18,639.20
  4. Step 4: Simplify right side
    36,178.94x = 1,010,704,469.06
  5. Step 5: Solve for x
    x = 1,010,704,469.06/36,178.94
  6. Step 6: Final answer
    x = 27,936.27

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1.5x scale

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.