Home / 36,178-49,921.44-21,073.96

Finding the Fourth Proportional to 36,178, 49,921.44 and 21,073.96

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Solution

The fourth proportional to 36,178, 49,921.44 and 21,073.96 is: 29,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178 : 49,921.44 = 21,073.96 : x
  2. Step 2: Convert to fraction form
    36,178/49,921.44 = 21,073.96/x
  3. Step 3: Cross multiply
    36,178x = 49,921.44 × 21,073.96
  4. Step 4: Simplify right side
    36,178x = 1,052,042,429.70
  5. Step 5: Solve for x
    x = 1,052,042,429.70/36,178
  6. Step 6: Final answer
    x = 29,079.62

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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.