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Finding the Fourth Proportional to 33,667.40, 50,501.10 and 21,857.60

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Solution

The fourth proportional to 33,667.40, 50,501.10 and 21,857.60 is: 32,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,667.40 : 50,501.10 = 21,857.60 : x
  2. Step 2: Convert to fraction form
    33,667.40/50,501.10 = 21,857.60/x
  3. Step 3: Cross multiply
    33,667.40x = 50,501.10 × 21,857.60
  4. Step 4: Simplify right side
    33,667.40x = 1,103,832,843.36
  5. Step 5: Solve for x
    x = 1,103,832,843.36/33,667.40
  6. Step 6: Final answer
    x = 32,786.40

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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.