Home / 29,129.60-40,197.38-17,796.90

Finding the Fourth Proportional to 29,129.60, 40,197.38 and 17,796.90

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Solution

The fourth proportional to 29,129.60, 40,197.38 and 17,796.90 is: 24,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.60 : 40,197.38 = 17,796.90 : x
  2. Step 2: Convert to fraction form
    29,129.60/40,197.38 = 17,796.90/x
  3. Step 3: Cross multiply
    29,129.60x = 40,197.38 × 17,796.90
  4. Step 4: Simplify right side
    29,129.60x = 715,388,752.12
  5. Step 5: Solve for x
    x = 715,388,752.12/29,129.60
  6. Step 6: Final answer
    x = 24,558.83

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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.