Home / 29,007.12-40,016.25-20,067.06

Finding the Fourth Proportional to 29,007.12, 40,016.25 and 20,067.06

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Solution

The fourth proportional to 29,007.12, 40,016.25 and 20,067.06 is: 27,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,007.12 : 40,016.25 = 20,067.06 : x
  2. Step 2: Convert to fraction form
    29,007.12/40,016.25 = 20,067.06/x
  3. Step 3: Cross multiply
    29,007.12x = 40,016.25 × 20,067.06
  4. Step 4: Simplify right side
    29,007.12x = 803,008,489.73
  5. Step 5: Solve for x
    x = 803,008,489.73/29,007.12
  6. Step 6: Final answer
    x = 27,683.15

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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.