Home / 36,128.67-49,857.62-20,213.43

Finding the Fourth Proportional to 36,128.67, 49,857.62 and 20,213.43

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Solution

The fourth proportional to 36,128.67, 49,857.62 and 20,213.43 is: 27,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.67 : 49,857.62 = 20,213.43 : x
  2. Step 2: Convert to fraction form
    36,128.67/49,857.62 = 20,213.43/x
  3. Step 3: Cross multiply
    36,128.67x = 49,857.62 × 20,213.43
  4. Step 4: Simplify right side
    36,128.67x = 1,007,793,511.84
  5. Step 5: Solve for x
    x = 1,007,793,511.84/36,128.67
  6. Step 6: Final answer
    x = 27,894.56

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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.