Home / 30,357.20-41,891.41-16,747.62

Finding the Fourth Proportional to 30,357.20, 41,891.41 and 16,747.62

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Solution

The fourth proportional to 30,357.20, 41,891.41 and 16,747.62 is: 23,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.20 : 41,891.41 = 16,747.62 : x
  2. Step 2: Convert to fraction form
    30,357.20/41,891.41 = 16,747.62/x
  3. Step 3: Cross multiply
    30,357.20x = 41,891.41 × 16,747.62
  4. Step 4: Simplify right side
    30,357.20x = 701,581,415.94
  5. Step 5: Solve for x
    x = 701,581,415.94/30,357.20
  6. Step 6: Final answer
    x = 23,110.87

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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.