Home / 39,819.24-54,949.39-21,914.24

Finding the Fourth Proportional to 39,819.24, 54,949.39 and 21,914.24

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Solution

The fourth proportional to 39,819.24, 54,949.39 and 21,914.24 is: 30,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.24 : 54,949.39 = 21,914.24 : x
  2. Step 2: Convert to fraction form
    39,819.24/54,949.39 = 21,914.24/x
  3. Step 3: Cross multiply
    39,819.24x = 54,949.39 × 21,914.24
  4. Step 4: Simplify right side
    39,819.24x = 1,204,173,790.78
  5. Step 5: Solve for x
    x = 1,204,173,790.78/39,819.24
  6. Step 6: Final answer
    x = 30,241.00

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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.