Home / 36,042.72-49,738.95-20,936.04

Finding the Fourth Proportional to 36,042.72, 49,738.95 and 20,936.04

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Solution

The fourth proportional to 36,042.72, 49,738.95 and 20,936.04 is: 28,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.72 : 49,738.95 = 20,936.04 : x
  2. Step 2: Convert to fraction form
    36,042.72/49,738.95 = 20,936.04/x
  3. Step 3: Cross multiply
    36,042.72x = 49,738.95 × 20,936.04
  4. Step 4: Simplify right side
    36,042.72x = 1,041,336,646.76
  5. Step 5: Solve for x
    x = 1,041,336,646.76/36,042.72
  6. Step 6: Final answer
    x = 28,891.73

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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.