Home / 29,067.36-40,114.28-17,131.20

Finding the Fourth Proportional to 29,067.36, 40,114.28 and 17,131.20

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Solution

The fourth proportional to 29,067.36, 40,114.28 and 17,131.20 is: 23,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,067.36 : 40,114.28 = 17,131.20 : x
  2. Step 2: Convert to fraction form
    29,067.36/40,114.28 = 17,131.20/x
  3. Step 3: Cross multiply
    29,067.36x = 40,114.28 × 17,131.20
  4. Step 4: Simplify right side
    29,067.36x = 687,205,753.54
  5. Step 5: Solve for x
    x = 687,205,753.54/29,067.36
  6. Step 6: Final answer
    x = 23,641.84

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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.