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Finding the Fourth Proportional to 33,723.88, 50,602.02 and 18,139.48

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Solution

The fourth proportional to 33,723.88, 50,602.02 and 18,139.48 is: 27,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,723.88 : 50,602.02 = 18,139.48 : x
  2. Step 2: Convert to fraction form
    33,723.88/50,602.02 = 18,139.48/x
  3. Step 3: Cross multiply
    33,723.88x = 50,602.02 × 18,139.48
  4. Step 4: Simplify right side
    33,723.88x = 917,894,329.75
  5. Step 5: Solve for x
    x = 917,894,329.75/33,723.88
  6. Step 6: Final answer
    x = 27,217.93

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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.