Home / 29,536.80-40,761.08-16,107.92

Finding the Fourth Proportional to 29,536.80, 40,761.08 and 16,107.92

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Solution

The fourth proportional to 29,536.80, 40,761.08 and 16,107.92 is: 22,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,536.80 : 40,761.08 = 16,107.92 : x
  2. Step 2: Convert to fraction form
    29,536.80/40,761.08 = 16,107.92/x
  3. Step 3: Cross multiply
    29,536.80x = 40,761.08 × 16,107.92
  4. Step 4: Simplify right side
    29,536.80x = 656,576,215.75
  5. Step 5: Solve for x
    x = 656,576,215.75/29,536.80
  6. Step 6: Final answer
    x = 22,229.09

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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.