Home / 33,369.28-50,054-13,387.84

Finding the Fourth Proportional to 33,369.28, 50,054 and 13,387.84

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Solution

The fourth proportional to 33,369.28, 50,054 and 13,387.84 is: 20,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,369.28 : 50,054 = 13,387.84 : x
  2. Step 2: Convert to fraction form
    33,369.28/50,054 = 13,387.84/x
  3. Step 3: Cross multiply
    33,369.28x = 50,054 × 13,387.84
  4. Step 4: Simplify right side
    33,369.28x = 670,114,943.36
  5. Step 5: Solve for x
    x = 670,114,943.36/33,369.28
  6. Step 6: Final answer
    x = 20,081.79

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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.