Home / 30,245.67-45,340.83-12,716.73

Finding the Fourth Proportional to 30,245.67, 45,340.83 and 12,716.73

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Solution

The fourth proportional to 30,245.67, 45,340.83 and 12,716.73 is: 19,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.67 : 45,340.83 = 12,716.73 : x
  2. Step 2: Convert to fraction form
    30,245.67/45,340.83 = 12,716.73/x
  3. Step 3: Cross multiply
    30,245.67x = 45,340.83 × 12,716.73
  4. Step 4: Simplify right side
    30,245.67x = 576,587,093.09
  5. Step 5: Solve for x
    x = 576,587,093.09/30,245.67
  6. Step 6: Final answer
    x = 19,063.46

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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.