Home / 38,201.20-57,281.40-13,234.84

Finding the Fourth Proportional to 38,201.20, 57,281.40 and 13,234.84

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Solution

The fourth proportional to 38,201.20, 57,281.40 and 13,234.84 is: 19,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.20 : 57,281.40 = 13,234.84 : x
  2. Step 2: Convert to fraction form
    38,201.20/57,281.40 = 13,234.84/x
  3. Step 3: Cross multiply
    38,201.20x = 57,281.40 × 13,234.84
  4. Step 4: Simplify right side
    38,201.20x = 758,110,163.98
  5. Step 5: Solve for x
    x = 758,110,163.98/38,201.20
  6. Step 6: Final answer
    x = 19,845.19

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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.