Home / 38,399.33-52,991.33-21,404.66

Finding the Fourth Proportional to 38,399.33, 52,991.33 and 21,404.66

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Solution

The fourth proportional to 38,399.33, 52,991.33 and 21,404.66 is: 29,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.33 : 52,991.33 = 21,404.66 : x
  2. Step 2: Convert to fraction form
    38,399.33/52,991.33 = 21,404.66/x
  3. Step 3: Cross multiply
    38,399.33x = 52,991.33 × 21,404.66
  4. Step 4: Simplify right side
    38,399.33x = 1,134,261,029.62
  5. Step 5: Solve for x
    x = 1,134,261,029.62/38,399.33
  6. Step 6: Final answer
    x = 29,538.56

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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.