Home / 31,313.46-43,215.30-17,169.06

Finding the Fourth Proportional to 31,313.46, 43,215.30 and 17,169.06

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Solution

The fourth proportional to 31,313.46, 43,215.30 and 17,169.06 is: 23,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.46 : 43,215.30 = 17,169.06 : x
  2. Step 2: Convert to fraction form
    31,313.46/43,215.30 = 17,169.06/x
  3. Step 3: Cross multiply
    31,313.46x = 43,215.30 × 17,169.06
  4. Step 4: Simplify right side
    31,313.46x = 741,966,078.62
  5. Step 5: Solve for x
    x = 741,966,078.62/31,313.46
  6. Step 6: Final answer
    x = 23,694.80

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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.