Home / 29,811.28-41,138.44-16,563.28

Finding the Fourth Proportional to 29,811.28, 41,138.44 and 16,563.28

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Solution

The fourth proportional to 29,811.28, 41,138.44 and 16,563.28 is: 22,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.28 : 41,138.44 = 16,563.28 : x
  2. Step 2: Convert to fraction form
    29,811.28/41,138.44 = 16,563.28/x
  3. Step 3: Cross multiply
    29,811.28x = 41,138.44 × 16,563.28
  4. Step 4: Simplify right side
    29,811.28x = 681,387,500.48
  5. Step 5: Solve for x
    x = 681,387,500.48/29,811.28
  6. Step 6: Final answer
    x = 22,856.70

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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.