Home / 29,165.42-43,682.49-20,439.29

Finding the Fourth Proportional to 29,165.42, 43,682.49 and 20,439.29

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Solution

The fourth proportional to 29,165.42, 43,682.49 and 20,439.29 is: 30,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165.42 : 43,682.49 = 20,439.29 : x
  2. Step 2: Convert to fraction form
    29,165.42/43,682.49 = 20,439.29/x
  3. Step 3: Cross multiply
    29,165.42x = 43,682.49 × 20,439.29
  4. Step 4: Simplify right side
    29,165.42x = 892,839,190.24
  5. Step 5: Solve for x
    x = 892,839,190.24/29,165.42
  6. Step 6: Final answer
    x = 30,612.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.