Home / 73,785.42-110,682.99-21,195.36

Finding the Fourth Proportional to 73,785.42, 110,682.99 and 21,195.36

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Solution

The fourth proportional to 73,785.42, 110,682.99 and 21,195.36 is: 31,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,785.42 : 110,682.99 = 21,195.36 : x
  2. Step 2: Convert to fraction form
    73,785.42/110,682.99 = 21,195.36/x
  3. Step 3: Cross multiply
    73,785.42x = 110,682.99 × 21,195.36
  4. Step 4: Simplify right side
    73,785.42x = 2,345,965,818.93
  5. Step 5: Solve for x
    x = 2,345,965,818.93/73,785.42
  6. Step 6: Final answer
    x = 31,794.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.