Home / 31,268.45-43,150.04-17,121.30

Finding the Fourth Proportional to 31,268.45, 43,150.04 and 17,121.30

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Solution

The fourth proportional to 31,268.45, 43,150.04 and 17,121.30 is: 23,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.45 : 43,150.04 = 17,121.30 : x
  2. Step 2: Convert to fraction form
    31,268.45/43,150.04 = 17,121.30/x
  3. Step 3: Cross multiply
    31,268.45x = 43,150.04 × 17,121.30
  4. Step 4: Simplify right side
    31,268.45x = 738,784,694.25
  5. Step 5: Solve for x
    x = 738,784,694.25/31,268.45
  6. Step 6: Final answer
    x = 23,627.16

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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.