Home / 33,273.29-45,967.22-21,815.43

Finding the Fourth Proportional to 33,273.29, 45,967.22 and 21,815.43

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Solution

The fourth proportional to 33,273.29, 45,967.22 and 21,815.43 is: 30,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,273.29 : 45,967.22 = 21,815.43 : x
  2. Step 2: Convert to fraction form
    33,273.29/45,967.22 = 21,815.43/x
  3. Step 3: Cross multiply
    33,273.29x = 45,967.22 × 21,815.43
  4. Step 4: Simplify right side
    33,273.29x = 1,002,794,670.20
  5. Step 5: Solve for x
    x = 1,002,794,670.20/33,273.29
  6. Step 6: Final answer
    x = 30,138.13

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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.