Home / 39,908.73-55,074.43-22,004.39

Finding the Fourth Proportional to 39,908.73, 55,074.43 and 22,004.39

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Solution

The fourth proportional to 39,908.73, 55,074.43 and 22,004.39 is: 30,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.73 : 55,074.43 = 22,004.39 : x
  2. Step 2: Convert to fraction form
    39,908.73/55,074.43 = 22,004.39/x
  3. Step 3: Cross multiply
    39,908.73x = 55,074.43 × 22,004.39
  4. Step 4: Simplify right side
    39,908.73x = 1,211,879,401.94
  5. Step 5: Solve for x
    x = 1,211,879,401.94/39,908.73
  6. Step 6: Final answer
    x = 30,366.27

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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.