Home / 39,160.87-54,029.14-22,163.43

Finding the Fourth Proportional to 39,160.87, 54,029.14 and 22,163.43

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Solution

The fourth proportional to 39,160.87, 54,029.14 and 22,163.43 is: 30,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.87 : 54,029.14 = 22,163.43 : x
  2. Step 2: Convert to fraction form
    39,160.87/54,029.14 = 22,163.43/x
  3. Step 3: Cross multiply
    39,160.87x = 54,029.14 × 22,163.43
  4. Step 4: Simplify right side
    39,160.87x = 1,197,471,062.35
  5. Step 5: Solve for x
    x = 1,197,471,062.35/39,160.87
  6. Step 6: Final answer
    x = 30,578.25

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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.