Home / 36,971.08-51,021.92-21,872.57

Finding the Fourth Proportional to 36,971.08, 51,021.92 and 21,872.57

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Solution

The fourth proportional to 36,971.08, 51,021.92 and 21,872.57 is: 30,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.08 : 51,021.92 = 21,872.57 : x
  2. Step 2: Convert to fraction form
    36,971.08/51,021.92 = 21,872.57/x
  3. Step 3: Cross multiply
    36,971.08x = 51,021.92 × 21,872.57
  4. Step 4: Simplify right side
    36,971.08x = 1,115,980,698.97
  5. Step 5: Solve for x
    x = 1,115,980,698.97/36,971.08
  6. Step 6: Final answer
    x = 30,185.24

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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.