Home / 33,780.28-50,615.10-11,581.72

Finding the Fourth Proportional to 33,780.28, 50,615.10 and 11,581.72

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Solution

The fourth proportional to 33,780.28, 50,615.10 and 11,581.72 is: 17,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.28 : 50,615.10 = 11,581.72 : x
  2. Step 2: Convert to fraction form
    33,780.28/50,615.10 = 11,581.72/x
  3. Step 3: Cross multiply
    33,780.28x = 50,615.10 × 11,581.72
  4. Step 4: Simplify right side
    33,780.28x = 586,209,915.97
  5. Step 5: Solve for x
    x = 586,209,915.97/33,780.28
  6. Step 6: Final answer
    x = 17,353.61

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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.