Home / 30,240.46-41,728.19-16,809.99

Finding the Fourth Proportional to 30,240.46, 41,728.19 and 16,809.99

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Solution

The fourth proportional to 30,240.46, 41,728.19 and 16,809.99 is: 23,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.46 : 41,728.19 = 16,809.99 : x
  2. Step 2: Convert to fraction form
    30,240.46/41,728.19 = 16,809.99/x
  3. Step 3: Cross multiply
    30,240.46x = 41,728.19 × 16,809.99
  4. Step 4: Simplify right side
    30,240.46x = 701,450,456.62
  5. Step 5: Solve for x
    x = 701,450,456.62/30,240.46
  6. Step 6: Final answer
    x = 23,195.76

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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.