Home / 67,255.72-100,883.26-20,508.44

Finding the Fourth Proportional to 67,255.72, 100,883.26 and 20,508.44

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Solution

The fourth proportional to 67,255.72, 100,883.26 and 20,508.44 is: 30,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,255.72 : 100,883.26 = 20,508.44 : x
  2. Step 2: Convert to fraction form
    67,255.72/100,883.26 = 20,508.44/x
  3. Step 3: Cross multiply
    67,255.72x = 100,883.26 × 20,508.44
  4. Step 4: Simplify right side
    67,255.72x = 2,068,958,284.71
  5. Step 5: Solve for x
    x = 2,068,958,284.71/67,255.72
  6. Step 6: Final answer
    x = 30,762.56

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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.