Home / 38,321.07-57,481.50-12,027.78

Finding the Fourth Proportional to 38,321.07, 57,481.50 and 12,027.78

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Solution

The fourth proportional to 38,321.07, 57,481.50 and 12,027.78 is: 18,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.07 : 57,481.50 = 12,027.78 : x
  2. Step 2: Convert to fraction form
    38,321.07/57,481.50 = 12,027.78/x
  3. Step 3: Cross multiply
    38,321.07x = 57,481.50 × 12,027.78
  4. Step 4: Simplify right side
    38,321.07x = 691,374,836.07
  5. Step 5: Solve for x
    x = 691,374,836.07/38,321.07
  6. Step 6: Final answer
    x = 18,041.64

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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.