Home / 30,076.25-41,491.44-19,469.30

Finding the Fourth Proportional to 30,076.25, 41,491.44 and 19,469.30

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Solution

The fourth proportional to 30,076.25, 41,491.44 and 19,469.30 is: 26,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,076.25 : 41,491.44 = 19,469.30 : x
  2. Step 2: Convert to fraction form
    30,076.25/41,491.44 = 19,469.30/x
  3. Step 3: Cross multiply
    30,076.25x = 41,491.44 × 19,469.30
  4. Step 4: Simplify right side
    30,076.25x = 807,809,085.33
  5. Step 5: Solve for x
    x = 807,809,085.33/30,076.25
  6. Step 6: Final answer
    x = 26,858.71

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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.