Home / 45,910.15-68,865.53-12,633.73

Finding the Fourth Proportional to 45,910.15, 68,865.53 and 12,633.73

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Solution

The fourth proportional to 45,910.15, 68,865.53 and 12,633.73 is: 18,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,910.15 : 68,865.53 = 12,633.73 : x
  2. Step 2: Convert to fraction form
    45,910.15/68,865.53 = 12,633.73/x
  3. Step 3: Cross multiply
    45,910.15x = 68,865.53 × 12,633.73
  4. Step 4: Simplify right side
    45,910.15x = 870,028,512.33
  5. Step 5: Solve for x
    x = 870,028,512.33/45,910.15
  6. Step 6: Final answer
    x = 18,950.68

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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.