Home / 31,786.66-43,867.66-17,639.54

Finding the Fourth Proportional to 31,786.66, 43,867.66 and 17,639.54

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Solution

The fourth proportional to 31,786.66, 43,867.66 and 17,639.54 is: 24,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786.66 : 43,867.66 = 17,639.54 : x
  2. Step 2: Convert to fraction form
    31,786.66/43,867.66 = 17,639.54/x
  3. Step 3: Cross multiply
    31,786.66x = 43,867.66 × 17,639.54
  4. Step 4: Simplify right side
    31,786.66x = 773,805,123.94
  5. Step 5: Solve for x
    x = 773,805,123.94/31,786.66
  6. Step 6: Final answer
    x = 24,343.71

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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.