Home / 30,338.86-41,867.83-16,910.97

Finding the Fourth Proportional to 30,338.86, 41,867.83 and 16,910.97

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Solution

The fourth proportional to 30,338.86, 41,867.83 and 16,910.97 is: 23,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.86 : 41,867.83 = 16,910.97 : x
  2. Step 2: Convert to fraction form
    30,338.86/41,867.83 = 16,910.97/x
  3. Step 3: Cross multiply
    30,338.86x = 41,867.83 × 16,910.97
  4. Step 4: Simplify right side
    30,338.86x = 708,025,532.54
  5. Step 5: Solve for x
    x = 708,025,532.54/30,338.86
  6. Step 6: Final answer
    x = 23,337.25

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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.