Home / 39,249.77-54,163.55-22,255.64

Finding the Fourth Proportional to 39,249.77, 54,163.55 and 22,255.64

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Solution

The fourth proportional to 39,249.77, 54,163.55 and 22,255.64 is: 30,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.77 : 54,163.55 = 22,255.64 : x
  2. Step 2: Convert to fraction form
    39,249.77/54,163.55 = 22,255.64/x
  3. Step 3: Cross multiply
    39,249.77x = 54,163.55 × 22,255.64
  4. Step 4: Simplify right side
    39,249.77x = 1,205,444,087.83
  5. Step 5: Solve for x
    x = 1,205,444,087.83/39,249.77
  6. Step 6: Final answer
    x = 30,712.14

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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.