Home / 39,208.21-54,105.57-22,212.11

Finding the Fourth Proportional to 39,208.21, 54,105.57 and 22,212.11

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Solution

The fourth proportional to 39,208.21, 54,105.57 and 22,212.11 is: 30,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,208.21 : 54,105.57 = 22,212.11 : x
  2. Step 2: Convert to fraction form
    39,208.21/54,105.57 = 22,212.11/x
  3. Step 3: Cross multiply
    39,208.21x = 54,105.57 × 22,212.11
  4. Step 4: Simplify right side
    39,208.21x = 1,201,798,872.45
  5. Step 5: Solve for x
    x = 1,201,798,872.45/39,208.21
  6. Step 6: Final answer
    x = 30,651.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.