Home / 36,190.73-49,943.04-20,275.31

Finding the Fourth Proportional to 36,190.73, 49,943.04 and 20,275.31

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Solution

The fourth proportional to 36,190.73, 49,943.04 and 20,275.31 is: 27,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190.73 : 49,943.04 = 20,275.31 : x
  2. Step 2: Convert to fraction form
    36,190.73/49,943.04 = 20,275.31/x
  3. Step 3: Cross multiply
    36,190.73x = 49,943.04 × 20,275.31
  4. Step 4: Simplify right side
    36,190.73x = 1,012,610,618.34
  5. Step 5: Solve for x
    x = 1,012,610,618.34/36,190.73
  6. Step 6: Final answer
    x = 27,979.83

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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.