Home / 27,575.40-41,383.97-20,199.03

Finding the Fourth Proportional to 27,575.40, 41,383.97 and 20,199.03

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Solution

The fourth proportional to 27,575.40, 41,383.97 and 20,199.03 is: 30,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.40 : 41,383.97 = 20,199.03 : x
  2. Step 2: Convert to fraction form
    27,575.40/41,383.97 = 20,199.03/x
  3. Step 3: Cross multiply
    27,575.40x = 41,383.97 × 20,199.03
  4. Step 4: Simplify right side
    27,575.40x = 835,915,950.55
  5. Step 5: Solve for x
    x = 835,915,950.55/27,575.40
  6. Step 6: Final answer
    x = 30,313.83

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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.