Home / 33,719.80-50,579.70-11,531.20

Finding the Fourth Proportional to 33,719.80, 50,579.70 and 11,531.20

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Solution

The fourth proportional to 33,719.80, 50,579.70 and 11,531.20 is: 17,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,719.80 : 50,579.70 = 11,531.20 : x
  2. Step 2: Convert to fraction form
    33,719.80/50,579.70 = 11,531.20/x
  3. Step 3: Cross multiply
    33,719.80x = 50,579.70 × 11,531.20
  4. Step 4: Simplify right side
    33,719.80x = 583,244,636.64
  5. Step 5: Solve for x
    x = 583,244,636.64/33,719.80
  6. Step 6: Final answer
    x = 17,296.80

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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.