Home / 36,177.94-54,223.17-18,638.20

Finding the Fourth Proportional to 36,177.94, 54,223.17 and 18,638.20

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Solution

The fourth proportional to 36,177.94, 54,223.17 and 18,638.20 is: 27,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,177.94 : 54,223.17 = 18,638.20 : x
  2. Step 2: Convert to fraction form
    36,177.94/54,223.17 = 18,638.20/x
  3. Step 3: Cross multiply
    36,177.94x = 54,223.17 × 18,638.20
  4. Step 4: Simplify right side
    36,177.94x = 1,010,622,287.09
  5. Step 5: Solve for x
    x = 1,010,622,287.09/36,177.94
  6. Step 6: Final answer
    x = 27,934.77

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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.