Home / 29,721.84-41,016.12-16,109.88

Finding the Fourth Proportional to 29,721.84, 41,016.12 and 16,109.88

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Solution

The fourth proportional to 29,721.84, 41,016.12 and 16,109.88 is: 22,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,721.84 : 41,016.12 = 16,109.88 : x
  2. Step 2: Convert to fraction form
    29,721.84/41,016.12 = 16,109.88/x
  3. Step 3: Cross multiply
    29,721.84x = 41,016.12 × 16,109.88
  4. Step 4: Simplify right side
    29,721.84x = 660,764,771.27
  5. Step 5: Solve for x
    x = 660,764,771.27/29,721.84
  6. Step 6: Final answer
    x = 22,231.62

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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.