Home / 36,122.49-49,854.06-20,208.02

Finding the Fourth Proportional to 36,122.49, 49,854.06 and 20,208.02

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Solution

The fourth proportional to 36,122.49, 49,854.06 and 20,208.02 is: 27,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.49 : 49,854.06 = 20,208.02 : x
  2. Step 2: Convert to fraction form
    36,122.49/49,854.06 = 20,208.02/x
  3. Step 3: Cross multiply
    36,122.49x = 49,854.06 × 20,208.02
  4. Step 4: Simplify right side
    36,122.49x = 1,007,451,592.29
  5. Step 5: Solve for x
    x = 1,007,451,592.29/36,122.49
  6. Step 6: Final answer
    x = 27,889.87

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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.