Home / 30,198.75-41,673.45-16,769.62

Finding the Fourth Proportional to 30,198.75, 41,673.45 and 16,769.62

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Solution

The fourth proportional to 30,198.75, 41,673.45 and 16,769.62 is: 23,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.75 : 41,673.45 = 16,769.62 : x
  2. Step 2: Convert to fraction form
    30,198.75/41,673.45 = 16,769.62/x
  3. Step 3: Cross multiply
    30,198.75x = 41,673.45 × 16,769.62
  4. Step 4: Simplify right side
    30,198.75x = 698,847,920.59
  5. Step 5: Solve for x
    x = 698,847,920.59/30,198.75
  6. Step 6: Final answer
    x = 23,141.62

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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.