Home / 38,530.20-57,795.12-12,236.94

Finding the Fourth Proportional to 38,530.20, 57,795.12 and 12,236.94

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Solution

The fourth proportional to 38,530.20, 57,795.12 and 12,236.94 is: 18,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,530.20 : 57,795.12 = 12,236.94 : x
  2. Step 2: Convert to fraction form
    38,530.20/57,795.12 = 12,236.94/x
  3. Step 3: Cross multiply
    38,530.20x = 57,795.12 × 12,236.94
  4. Step 4: Simplify right side
    38,530.20x = 707,235,415.73
  5. Step 5: Solve for x
    x = 707,235,415.73/38,530.20
  6. Step 6: Final answer
    x = 18,355.35

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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.