Home / 30,257.28-41,764.14-19,648.44

Finding the Fourth Proportional to 30,257.28, 41,764.14 and 19,648.44

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Solution

The fourth proportional to 30,257.28, 41,764.14 and 19,648.44 is: 27,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.28 : 41,764.14 = 19,648.44 : x
  2. Step 2: Convert to fraction form
    30,257.28/41,764.14 = 19,648.44/x
  3. Step 3: Cross multiply
    30,257.28x = 41,764.14 × 19,648.44
  4. Step 4: Simplify right side
    30,257.28x = 820,600,198.94
  5. Step 5: Solve for x
    x = 820,600,198.94/30,257.28
  6. Step 6: Final answer
    x = 27,120.75

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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.