Home / 67,012.92-100,519.44-20,265.84

Finding the Fourth Proportional to 67,012.92, 100,519.44 and 20,265.84

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Solution

The fourth proportional to 67,012.92, 100,519.44 and 20,265.84 is: 30,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.92 : 100,519.44 = 20,265.84 : x
  2. Step 2: Convert to fraction form
    67,012.92/100,519.44 = 20,265.84/x
  3. Step 3: Cross multiply
    67,012.92x = 100,519.44 × 20,265.84
  4. Step 4: Simplify right side
    67,012.92x = 2,037,110,887.93
  5. Step 5: Solve for x
    x = 2,037,110,887.93/67,012.92
  6. Step 6: Final answer
    x = 30,398.78

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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.