Home / 31,265.96-43,147.52-17,120.12

Finding the Fourth Proportional to 31,265.96, 43,147.52 and 17,120.12

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Solution

The fourth proportional to 31,265.96, 43,147.52 and 17,120.12 is: 23,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.96 : 43,147.52 = 17,120.12 : x
  2. Step 2: Convert to fraction form
    31,265.96/43,147.52 = 17,120.12/x
  3. Step 3: Cross multiply
    31,265.96x = 43,147.52 × 17,120.12
  4. Step 4: Simplify right side
    31,265.96x = 738,690,720.10
  5. Step 5: Solve for x
    x = 738,690,720.10/31,265.96
  6. Step 6: Final answer
    x = 23,626.04

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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.