Home / 73,778.22-110,668.01-21,187.71

Finding the Fourth Proportional to 73,778.22, 110,668.01 and 21,187.71

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Solution

The fourth proportional to 73,778.22, 110,668.01 and 21,187.71 is: 31,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778.22 : 110,668.01 = 21,187.71 : x
  2. Step 2: Convert to fraction form
    73,778.22/110,668.01 = 21,187.71/x
  3. Step 3: Cross multiply
    73,778.22x = 110,668.01 × 21,187.71
  4. Step 4: Simplify right side
    73,778.22x = 2,344,801,596.22
  5. Step 5: Solve for x
    x = 2,344,801,596.22/73,778.22
  6. Step 6: Final answer
    x = 31,781.76

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1.5x scale

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.