Home / 36,178.69-49,926.74-21,081.71

Finding the Fourth Proportional to 36,178.69, 49,926.74 and 21,081.71

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Solution

The fourth proportional to 36,178.69, 49,926.74 and 21,081.71 is: 29,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178.69 : 49,926.74 = 21,081.71 : x
  2. Step 2: Convert to fraction form
    36,178.69/49,926.74 = 21,081.71/x
  3. Step 3: Cross multiply
    36,178.69x = 49,926.74 × 21,081.71
  4. Step 4: Simplify right side
    36,178.69x = 1,052,541,053.93
  5. Step 5: Solve for x
    x = 1,052,541,053.93/36,178.69
  6. Step 6: Final answer
    x = 29,092.85

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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.