Home / 33,915.36-50,856.60-11,721

Finding the Fourth Proportional to 33,915.36, 50,856.60 and 11,721

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Solution

The fourth proportional to 33,915.36, 50,856.60 and 11,721 is: 17,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.36 : 50,856.60 = 11,721 : x
  2. Step 2: Convert to fraction form
    33,915.36/50,856.60 = 11,721/x
  3. Step 3: Cross multiply
    33,915.36x = 50,856.60 × 11,721
  4. Step 4: Simplify right side
    33,915.36x = 596,090,208.60
  5. Step 5: Solve for x
    x = 596,090,208.60/33,915.36
  6. Step 6: Final answer
    x = 17,575.82

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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.