Home / 31,542.15-43,527.61-17,202.09

Finding the Fourth Proportional to 31,542.15, 43,527.61 and 17,202.09

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Solution

The fourth proportional to 31,542.15, 43,527.61 and 17,202.09 is: 23,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.15 : 43,527.61 = 17,202.09 : x
  2. Step 2: Convert to fraction form
    31,542.15/43,527.61 = 17,202.09/x
  3. Step 3: Cross multiply
    31,542.15x = 43,527.61 × 17,202.09
  4. Step 4: Simplify right side
    31,542.15x = 748,765,821.70
  5. Step 5: Solve for x
    x = 748,765,821.70/31,542.15
  6. Step 6: Final answer
    x = 23,738.58

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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.