Home / 36,081.45-49,789.08-20,165.36

Finding the Fourth Proportional to 36,081.45, 49,789.08 and 20,165.36

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Solution

The fourth proportional to 36,081.45, 49,789.08 and 20,165.36 is: 27,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.45 : 49,789.08 = 20,165.36 : x
  2. Step 2: Convert to fraction form
    36,081.45/49,789.08 = 20,165.36/x
  3. Step 3: Cross multiply
    36,081.45x = 49,789.08 × 20,165.36
  4. Step 4: Simplify right side
    36,081.45x = 1,004,014,473.32
  5. Step 5: Solve for x
    x = 1,004,014,473.32/36,081.45
  6. Step 6: Final answer
    x = 27,826.33

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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.