Home / 33,872.12-50,800-14,139.98

Finding the Fourth Proportional to 33,872.12, 50,800 and 14,139.98

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Solution

The fourth proportional to 33,872.12, 50,800 and 14,139.98 is: 21,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.12 : 50,800 = 14,139.98 : x
  2. Step 2: Convert to fraction form
    33,872.12/50,800 = 14,139.98/x
  3. Step 3: Cross multiply
    33,872.12x = 50,800 × 14,139.98
  4. Step 4: Simplify right side
    33,872.12x = 718,310,984
  5. Step 5: Solve for x
    x = 718,310,984/33,872.12
  6. Step 6: Final answer
    x = 21,206.56

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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.