Home / 36,213-49,976.82-21,311.88

Finding the Fourth Proportional to 36,213, 49,976.82 and 21,311.88

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Solution

The fourth proportional to 36,213, 49,976.82 and 21,311.88 is: 29,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,213 : 49,976.82 = 21,311.88 : x
  2. Step 2: Convert to fraction form
    36,213/49,976.82 = 21,311.88/x
  3. Step 3: Cross multiply
    36,213x = 49,976.82 × 21,311.88
  4. Step 4: Simplify right side
    36,213x = 1,065,099,990.62
  5. Step 5: Solve for x
    x = 1,065,099,990.62/36,213
  6. Step 6: Final answer
    x = 29,412.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.