Home / 36,121.95-54,186.57-18,584.64

Finding the Fourth Proportional to 36,121.95, 54,186.57 and 18,584.64

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Solution

The fourth proportional to 36,121.95, 54,186.57 and 18,584.64 is: 27,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.95 : 54,186.57 = 18,584.64 : x
  2. Step 2: Convert to fraction form
    36,121.95/54,186.57 = 18,584.64/x
  3. Step 3: Cross multiply
    36,121.95x = 54,186.57 × 18,584.64
  4. Step 4: Simplify right side
    36,121.95x = 1,007,037,896.28
  5. Step 5: Solve for x
    x = 1,007,037,896.28/36,121.95
  6. Step 6: Final answer
    x = 27,878.84

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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.