Home / 30,190.14-41,661.63-16,760.97

Finding the Fourth Proportional to 30,190.14, 41,661.63 and 16,760.97

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Solution

The fourth proportional to 30,190.14, 41,661.63 and 16,760.97 is: 23,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.14 : 41,661.63 = 16,760.97 : x
  2. Step 2: Convert to fraction form
    30,190.14/41,661.63 = 16,760.97/x
  3. Step 3: Cross multiply
    30,190.14x = 41,661.63 × 16,760.97
  4. Step 4: Simplify right side
    30,190.14x = 698,289,330.58
  5. Step 5: Solve for x
    x = 698,289,330.58/30,190.14
  6. Step 6: Final answer
    x = 23,129.71

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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.