Home / 36,198.81-49,956.39-20,288.37

Finding the Fourth Proportional to 36,198.81, 49,956.39 and 20,288.37

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Solution

The fourth proportional to 36,198.81, 49,956.39 and 20,288.37 is: 27,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,198.81 : 49,956.39 = 20,288.37 : x
  2. Step 2: Convert to fraction form
    36,198.81/49,956.39 = 20,288.37/x
  3. Step 3: Cross multiply
    36,198.81x = 49,956.39 × 20,288.37
  4. Step 4: Simplify right side
    36,198.81x = 1,013,533,724.18
  5. Step 5: Solve for x
    x = 1,013,533,724.18/36,198.81
  6. Step 6: Final answer
    x = 27,999.09

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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.