Home / 30,321.24-41,842.20-16,891.74

Finding the Fourth Proportional to 30,321.24, 41,842.20 and 16,891.74

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Solution

The fourth proportional to 30,321.24, 41,842.20 and 16,891.74 is: 23,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.24 : 41,842.20 = 16,891.74 : x
  2. Step 2: Convert to fraction form
    30,321.24/41,842.20 = 16,891.74/x
  3. Step 3: Cross multiply
    30,321.24x = 41,842.20 × 16,891.74
  4. Step 4: Simplify right side
    30,321.24x = 706,787,563.43
  5. Step 5: Solve for x
    x = 706,787,563.43/30,321.24
  6. Step 6: Final answer
    x = 23,309.98

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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.