Home / 38,078.68-52,546.86-21,081.73

Finding the Fourth Proportional to 38,078.68, 52,546.86 and 21,081.73

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Solution

The fourth proportional to 38,078.68, 52,546.86 and 21,081.73 is: 29,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.68 : 52,546.86 = 21,081.73 : x
  2. Step 2: Convert to fraction form
    38,078.68/52,546.86 = 21,081.73/x
  3. Step 3: Cross multiply
    38,078.68x = 52,546.86 × 21,081.73
  4. Step 4: Simplify right side
    38,078.68x = 1,107,778,583.50
  5. Step 5: Solve for x
    x = 1,107,778,583.50/38,078.68
  6. Step 6: Final answer
    x = 29,091.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.