Home / 33,667.31-50,500.97-12,890.81

Finding the Fourth Proportional to 33,667.31, 50,500.97 and 12,890.81

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Solution

The fourth proportional to 33,667.31, 50,500.97 and 12,890.81 is: 19,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,667.31 : 50,500.97 = 12,890.81 : x
  2. Step 2: Convert to fraction form
    33,667.31/50,500.97 = 12,890.81/x
  3. Step 3: Cross multiply
    33,667.31x = 50,500.97 × 12,890.81
  4. Step 4: Simplify right side
    33,667.31x = 650,998,519.22
  5. Step 5: Solve for x
    x = 650,998,519.22/33,667.31
  6. Step 6: Final answer
    x = 19,336.22

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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.