Home / 39,161.26-54,041.94-22,168.72

Finding the Fourth Proportional to 39,161.26, 54,041.94 and 22,168.72

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Solution

The fourth proportional to 39,161.26, 54,041.94 and 22,168.72 is: 30,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.26 : 54,041.94 = 22,168.72 : x
  2. Step 2: Convert to fraction form
    39,161.26/54,041.94 = 22,168.72/x
  3. Step 3: Cross multiply
    39,161.26x = 54,041.94 × 22,168.72
  4. Step 4: Simplify right side
    39,161.26x = 1,198,040,636.12
  5. Step 5: Solve for x
    x = 1,198,040,636.12/39,161.26
  6. Step 6: Final answer
    x = 30,592.49

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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.