Home / 30,067.49-41,493.21-16,639.67

Finding the Fourth Proportional to 30,067.49, 41,493.21 and 16,639.67

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Solution

The fourth proportional to 30,067.49, 41,493.21 and 16,639.67 is: 22,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.49 : 41,493.21 = 16,639.67 : x
  2. Step 2: Convert to fraction form
    30,067.49/41,493.21 = 16,639.67/x
  3. Step 3: Cross multiply
    30,067.49x = 41,493.21 × 16,639.67
  4. Step 4: Simplify right side
    30,067.49x = 690,433,114.17
  5. Step 5: Solve for x
    x = 690,433,114.17/30,067.49
  6. Step 6: Final answer
    x = 22,962.78

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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.