Home / 31,273.88-43,157.94-17,126.60

Finding the Fourth Proportional to 31,273.88, 43,157.94 and 17,126.60

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Solution

The fourth proportional to 31,273.88, 43,157.94 and 17,126.60 is: 23,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.88 : 43,157.94 = 17,126.60 : x
  2. Step 2: Convert to fraction form
    31,273.88/43,157.94 = 17,126.60/x
  3. Step 3: Cross multiply
    31,273.88x = 43,157.94 × 17,126.60
  4. Step 4: Simplify right side
    31,273.88x = 739,148,775.20
  5. Step 5: Solve for x
    x = 739,148,775.20/31,273.88
  6. Step 6: Final answer
    x = 23,634.70

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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.