Home / 33,919.56-50,869.60-11,427.79

Finding the Fourth Proportional to 33,919.56, 50,869.60 and 11,427.79

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Solution

The fourth proportional to 33,919.56, 50,869.60 and 11,427.79 is: 17,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.56 : 50,869.60 = 11,427.79 : x
  2. Step 2: Convert to fraction form
    33,919.56/50,869.60 = 11,427.79/x
  3. Step 3: Cross multiply
    33,919.56x = 50,869.60 × 11,427.79
  4. Step 4: Simplify right side
    33,919.56x = 581,327,106.18
  5. Step 5: Solve for x
    x = 581,327,106.18/33,919.56
  6. Step 6: Final answer
    x = 17,138.40

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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.