Home / 39,207.21-54,104.19-22,211.11

Finding the Fourth Proportional to 39,207.21, 54,104.19 and 22,211.11

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Solution

The fourth proportional to 39,207.21, 54,104.19 and 22,211.11 is: 30,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207.21 : 54,104.19 = 22,211.11 : x
  2. Step 2: Convert to fraction form
    39,207.21/54,104.19 = 22,211.11/x
  3. Step 3: Cross multiply
    39,207.21x = 54,104.19 × 22,211.11
  4. Step 4: Simplify right side
    39,207.21x = 1,201,713,871.64
  5. Step 5: Solve for x
    x = 1,201,713,871.64/39,207.21
  6. Step 6: Final answer
    x = 30,650.33

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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.