Home / 31,808.82-43,896.66-17,661.80

Finding the Fourth Proportional to 31,808.82, 43,896.66 and 17,661.80

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Solution

The fourth proportional to 31,808.82, 43,896.66 and 17,661.80 is: 24,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.82 : 43,896.66 = 17,661.80 : x
  2. Step 2: Convert to fraction form
    31,808.82/43,896.66 = 17,661.80/x
  3. Step 3: Cross multiply
    31,808.82x = 43,896.66 × 17,661.80
  4. Step 4: Simplify right side
    31,808.82x = 775,294,029.59
  5. Step 5: Solve for x
    x = 775,294,029.59/31,808.82
  6. Step 6: Final answer
    x = 24,373.56

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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.