Home / 31,571.33-43,567.07-17,230.80

Finding the Fourth Proportional to 31,571.33, 43,567.07 and 17,230.80

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Solution

The fourth proportional to 31,571.33, 43,567.07 and 17,230.80 is: 23,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.33 : 43,567.07 = 17,230.80 : x
  2. Step 2: Convert to fraction form
    31,571.33/43,567.07 = 17,230.80/x
  3. Step 3: Cross multiply
    31,571.33x = 43,567.07 × 17,230.80
  4. Step 4: Simplify right side
    31,571.33x = 750,695,469.76
  5. Step 5: Solve for x
    x = 750,695,469.76/31,571.33
  6. Step 6: Final answer
    x = 23,777.76

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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.