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Finding the Fourth Proportional to 33,515.60, 50,287.80 and 17,099.60

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Solution

The fourth proportional to 33,515.60, 50,287.80 and 17,099.60 is: 25,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,515.60 : 50,287.80 = 17,099.60 : x
  2. Step 2: Convert to fraction form
    33,515.60/50,287.80 = 17,099.60/x
  3. Step 3: Cross multiply
    33,515.60x = 50,287.80 × 17,099.60
  4. Step 4: Simplify right side
    33,515.60x = 859,901,264.88
  5. Step 5: Solve for x
    x = 859,901,264.88/33,515.60
  6. Step 6: Final answer
    x = 25,656.75

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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.