Home / 33,138.39-49,570.89-21,273.91

Finding the Fourth Proportional to 33,138.39, 49,570.89 and 21,273.91

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Solution

The fourth proportional to 33,138.39, 49,570.89 and 21,273.91 is: 31,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.39 : 49,570.89 = 21,273.91 : x
  2. Step 2: Convert to fraction form
    33,138.39/49,570.89 = 21,273.91/x
  3. Step 3: Cross multiply
    33,138.39x = 49,570.89 × 21,273.91
  4. Step 4: Simplify right side
    33,138.39x = 1,054,566,652.48
  5. Step 5: Solve for x
    x = 1,054,566,652.48/33,138.39
  6. Step 6: Final answer
    x = 31,823.11

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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.