Home / 39,103.28-53,949.84-22,105.88

Finding the Fourth Proportional to 39,103.28, 53,949.84 and 22,105.88

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Solution

The fourth proportional to 39,103.28, 53,949.84 and 22,105.88 is: 30,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.28 : 53,949.84 = 22,105.88 : x
  2. Step 2: Convert to fraction form
    39,103.28/53,949.84 = 22,105.88/x
  3. Step 3: Cross multiply
    39,103.28x = 53,949.84 × 22,105.88
  4. Step 4: Simplify right side
    39,103.28x = 1,192,608,689.06
  5. Step 5: Solve for x
    x = 1,192,608,689.06/39,103.28
  6. Step 6: Final answer
    x = 30,498.94

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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.