Home / 38,156.21-57,245.43-17,091.56

Finding the Fourth Proportional to 38,156.21, 57,245.43 and 17,091.56

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Solution

The fourth proportional to 38,156.21, 57,245.43 and 17,091.56 is: 25,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.21 : 57,245.43 = 17,091.56 : x
  2. Step 2: Convert to fraction form
    38,156.21/57,245.43 = 17,091.56/x
  3. Step 3: Cross multiply
    38,156.21x = 57,245.43 × 17,091.56
  4. Step 4: Simplify right side
    38,156.21x = 978,413,586.77
  5. Step 5: Solve for x
    x = 978,413,586.77/38,156.21
  6. Step 6: Final answer
    x = 25,642.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.