Home / 36,123.49-49,855.44-20,209.02

Finding the Fourth Proportional to 36,123.49, 49,855.44 and 20,209.02

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Solution

The fourth proportional to 36,123.49, 49,855.44 and 20,209.02 is: 27,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.49 : 49,855.44 = 20,209.02 : x
  2. Step 2: Convert to fraction form
    36,123.49/49,855.44 = 20,209.02/x
  3. Step 3: Cross multiply
    36,123.49x = 49,855.44 × 20,209.02
  4. Step 4: Simplify right side
    36,123.49x = 1,007,529,584.07
  5. Step 5: Solve for x
    x = 1,007,529,584.07/36,123.49
  6. Step 6: Final answer
    x = 27,891.26

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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.