Home / 31,727.43-43,788.45-18,296.01

Finding the Fourth Proportional to 31,727.43, 43,788.45 and 18,296.01

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Solution

The fourth proportional to 31,727.43, 43,788.45 and 18,296.01 is: 25,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.43 : 43,788.45 = 18,296.01 : x
  2. Step 2: Convert to fraction form
    31,727.43/43,788.45 = 18,296.01/x
  3. Step 3: Cross multiply
    31,727.43x = 43,788.45 × 18,296.01
  4. Step 4: Simplify right side
    31,727.43x = 801,153,919.08
  5. Step 5: Solve for x
    x = 801,153,919.08/31,727.43
  6. Step 6: Final answer
    x = 25,251.14

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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.