Home / 31,268.28-43,150.32-17,122.44

Finding the Fourth Proportional to 31,268.28, 43,150.32 and 17,122.44

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Solution

The fourth proportional to 31,268.28, 43,150.32 and 17,122.44 is: 23,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.28 : 43,150.32 = 17,122.44 : x
  2. Step 2: Convert to fraction form
    31,268.28/43,150.32 = 17,122.44/x
  3. Step 3: Cross multiply
    31,268.28x = 43,150.32 × 17,122.44
  4. Step 4: Simplify right side
    31,268.28x = 738,838,765.18
  5. Step 5: Solve for x
    x = 738,838,765.18/31,268.28
  6. Step 6: Final answer
    x = 23,629.02

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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.