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Finding the Fourth Proportional to 33,653.61, 50,481.23 and 13,926.87

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Solution

The fourth proportional to 33,653.61, 50,481.23 and 13,926.87 is: 20,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,653.61 : 50,481.23 = 13,926.87 : x
  2. Step 2: Convert to fraction form
    33,653.61/50,481.23 = 13,926.87/x
  3. Step 3: Cross multiply
    33,653.61x = 50,481.23 × 13,926.87
  4. Step 4: Simplify right side
    33,653.61x = 703,045,458.02
  5. Step 5: Solve for x
    x = 703,045,458.02/33,653.61
  6. Step 6: Final answer
    x = 20,890.64

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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.