Home / 29,063.20-40,105.85-16,143.31

Finding the Fourth Proportional to 29,063.20, 40,105.85 and 16,143.31

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Solution

The fourth proportional to 29,063.20, 40,105.85 and 16,143.31 is: 22,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,063.20 : 40,105.85 = 16,143.31 : x
  2. Step 2: Convert to fraction form
    29,063.20/40,105.85 = 16,143.31/x
  3. Step 3: Cross multiply
    29,063.20x = 40,105.85 × 16,143.31
  4. Step 4: Simplify right side
    29,063.20x = 647,441,169.36
  5. Step 5: Solve for x
    x = 647,441,169.36/29,063.20
  6. Step 6: Final answer
    x = 22,277.01

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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.