Home / 33,915.61-50,811-21,262.96

Finding the Fourth Proportional to 33,915.61, 50,811 and 21,262.96

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Solution

The fourth proportional to 33,915.61, 50,811 and 21,262.96 is: 31,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.61 : 50,811 = 21,262.96 : x
  2. Step 2: Convert to fraction form
    33,915.61/50,811 = 21,262.96/x
  3. Step 3: Cross multiply
    33,915.61x = 50,811 × 21,262.96
  4. Step 4: Simplify right side
    33,915.61x = 1,080,392,260.56
  5. Step 5: Solve for x
    x = 1,080,392,260.56/33,915.61
  6. Step 6: Final answer
    x = 31,855.31

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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.