Home / 39,524.14-54,542.55-21,619.09

Finding the Fourth Proportional to 39,524.14, 54,542.55 and 21,619.09

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Solution

The fourth proportional to 39,524.14, 54,542.55 and 21,619.09 is: 29,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,524.14 : 54,542.55 = 21,619.09 : x
  2. Step 2: Convert to fraction form
    39,524.14/54,542.55 = 21,619.09/x
  3. Step 3: Cross multiply
    39,524.14x = 54,542.55 × 21,619.09
  4. Step 4: Simplify right side
    39,524.14x = 1,179,160,297.28
  5. Step 5: Solve for x
    x = 1,179,160,297.28/39,524.14
  6. Step 6: Final answer
    x = 29,833.93

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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.