Home / 33,028.21-49,546.16-11,978.18

Finding the Fourth Proportional to 33,028.21, 49,546.16 and 11,978.18

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Solution

The fourth proportional to 33,028.21, 49,546.16 and 11,978.18 is: 17,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028.21 : 49,546.16 = 11,978.18 : x
  2. Step 2: Convert to fraction form
    33,028.21/49,546.16 = 11,978.18/x
  3. Step 3: Cross multiply
    33,028.21x = 49,546.16 × 11,978.18
  4. Step 4: Simplify right side
    33,028.21x = 593,472,822.79
  5. Step 5: Solve for x
    x = 593,472,822.79/33,028.21
  6. Step 6: Final answer
    x = 17,968.66

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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.