Home / 36,121.39-49,857.53-21,016.97

Finding the Fourth Proportional to 36,121.39, 49,857.53 and 21,016.97

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Solution

The fourth proportional to 36,121.39, 49,857.53 and 21,016.97 is: 29,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.39 : 49,857.53 = 21,016.97 : x
  2. Step 2: Convert to fraction form
    36,121.39/49,857.53 = 21,016.97/x
  3. Step 3: Cross multiply
    36,121.39x = 49,857.53 × 21,016.97
  4. Step 4: Simplify right side
    36,121.39x = 1,047,853,963.00
  5. Step 5: Solve for x
    x = 1,047,853,963.00/36,121.39
  6. Step 6: Final answer
    x = 29,009.24

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1.5x scale

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.