Home / 39,853.11-54,995.10-21,944.73

Finding the Fourth Proportional to 39,853.11, 54,995.10 and 21,944.73

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Solution

The fourth proportional to 39,853.11, 54,995.10 and 21,944.73 is: 30,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.11 : 54,995.10 = 21,944.73 : x
  2. Step 2: Convert to fraction form
    39,853.11/54,995.10 = 21,944.73/x
  3. Step 3: Cross multiply
    39,853.11x = 54,995.10 × 21,944.73
  4. Step 4: Simplify right side
    39,853.11x = 1,206,852,620.82
  5. Step 5: Solve for x
    x = 1,206,852,620.82/39,853.11
  6. Step 6: Final answer
    x = 30,282.52

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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.