Home / 36,067.08-49,761.60-20,956.80

Finding the Fourth Proportional to 36,067.08, 49,761.60 and 20,956.80

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Solution

The fourth proportional to 36,067.08, 49,761.60 and 20,956.80 is: 28,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,067.08 : 49,761.60 = 20,956.80 : x
  2. Step 2: Convert to fraction form
    36,067.08/49,761.60 = 20,956.80/x
  3. Step 3: Cross multiply
    36,067.08x = 49,761.60 × 20,956.80
  4. Step 4: Simplify right side
    36,067.08x = 1,042,843,898.88
  5. Step 5: Solve for x
    x = 1,042,843,898.88/36,067.08
  6. Step 6: Final answer
    x = 28,914.01

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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.