Home / 31,267.73-43,149.43-17,121.08

Finding the Fourth Proportional to 31,267.73, 43,149.43 and 17,121.08

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Solution

The fourth proportional to 31,267.73, 43,149.43 and 17,121.08 is: 23,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.73 : 43,149.43 = 17,121.08 : x
  2. Step 2: Convert to fraction form
    31,267.73/43,149.43 = 17,121.08/x
  3. Step 3: Cross multiply
    31,267.73x = 43,149.43 × 17,121.08
  4. Step 4: Simplify right side
    31,267.73x = 738,764,842.98
  5. Step 5: Solve for x
    x = 738,764,842.98/31,267.73
  6. Step 6: Final answer
    x = 23,627.07

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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.