Home / 30,241.38-41,730.74-16,811.82

Finding the Fourth Proportional to 30,241.38, 41,730.74 and 16,811.82

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Solution

The fourth proportional to 30,241.38, 41,730.74 and 16,811.82 is: 23,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.38 : 41,730.74 = 16,811.82 : x
  2. Step 2: Convert to fraction form
    30,241.38/41,730.74 = 16,811.82/x
  3. Step 3: Cross multiply
    30,241.38x = 41,730.74 × 16,811.82
  4. Step 4: Simplify right side
    30,241.38x = 701,569,480.69
  5. Step 5: Solve for x
    x = 701,569,480.69/30,241.38
  6. Step 6: Final answer
    x = 23,198.99

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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.