Home / 31,727.66-43,788.75-18,296.24

Finding the Fourth Proportional to 31,727.66, 43,788.75 and 18,296.24

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Solution

The fourth proportional to 31,727.66, 43,788.75 and 18,296.24 is: 25,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.66 : 43,788.75 = 18,296.24 : x
  2. Step 2: Convert to fraction form
    31,727.66/43,788.75 = 18,296.24/x
  3. Step 3: Cross multiply
    31,727.66x = 43,788.75 × 18,296.24
  4. Step 4: Simplify right side
    31,727.66x = 801,169,260.36
  5. Step 5: Solve for x
    x = 801,169,260.36/31,727.66
  6. Step 6: Final answer
    x = 25,251.45

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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.