Home / 31,716.70-43,727.55-27,288.02

Finding the Fourth Proportional to 31,716.70, 43,727.55 and 27,288.02

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Solution

The fourth proportional to 31,716.70, 43,727.55 and 27,288.02 is: 37,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.70 : 43,727.55 = 27,288.02 : x
  2. Step 2: Convert to fraction form
    31,716.70/43,727.55 = 27,288.02/x
  3. Step 3: Cross multiply
    31,716.70x = 43,727.55 × 27,288.02
  4. Step 4: Simplify right side
    31,716.70x = 1,193,238,258.95
  5. Step 5: Solve for x
    x = 1,193,238,258.95/31,716.70
  6. Step 6: Final answer
    x = 37,621.77

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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.