Home / 36,131.80-49,859.85-19,998.22

Finding the Fourth Proportional to 36,131.80, 49,859.85 and 19,998.22

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Solution

The fourth proportional to 36,131.80, 49,859.85 and 19,998.22 is: 27,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.80 : 49,859.85 = 19,998.22 : x
  2. Step 2: Convert to fraction form
    36,131.80/49,859.85 = 19,998.22/x
  3. Step 3: Cross multiply
    36,131.80x = 49,859.85 × 19,998.22
  4. Step 4: Simplify right side
    36,131.80x = 997,108,249.47
  5. Step 5: Solve for x
    x = 997,108,249.47/36,131.80
  6. Step 6: Final answer
    x = 27,596.42

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Double scale
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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.