Home / 39,849.46-54,992.94-21,944.07

Finding the Fourth Proportional to 39,849.46, 54,992.94 and 21,944.07

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Solution

The fourth proportional to 39,849.46, 54,992.94 and 21,944.07 is: 30,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.46 : 54,992.94 = 21,944.07 : x
  2. Step 2: Convert to fraction form
    39,849.46/54,992.94 = 21,944.07/x
  3. Step 3: Cross multiply
    39,849.46x = 54,992.94 × 21,944.07
  4. Step 4: Simplify right side
    39,849.46x = 1,206,768,924.87
  5. Step 5: Solve for x
    x = 1,206,768,924.87/39,849.46
  6. Step 6: Final answer
    x = 30,283.19

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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.