Home / 30,180.71-41,651.32-16,751.96

Finding the Fourth Proportional to 30,180.71, 41,651.32 and 16,751.96

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Solution

The fourth proportional to 30,180.71, 41,651.32 and 16,751.96 is: 23,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.71 : 41,651.32 = 16,751.96 : x
  2. Step 2: Convert to fraction form
    30,180.71/41,651.32 = 16,751.96/x
  3. Step 3: Cross multiply
    30,180.71x = 41,651.32 × 16,751.96
  4. Step 4: Simplify right side
    30,180.71x = 697,741,246.59
  5. Step 5: Solve for x
    x = 697,741,246.59/30,180.71
  6. Step 6: Final answer
    x = 23,118.78

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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.