Home / 31,157.20-42,997.08-17,010.37

Finding the Fourth Proportional to 31,157.20, 42,997.08 and 17,010.37

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Solution

The fourth proportional to 31,157.20, 42,997.08 and 17,010.37 is: 23,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.20 : 42,997.08 = 17,010.37 : x
  2. Step 2: Convert to fraction form
    31,157.20/42,997.08 = 17,010.37/x
  3. Step 3: Cross multiply
    31,157.20x = 42,997.08 × 17,010.37
  4. Step 4: Simplify right side
    31,157.20x = 731,396,239.72
  5. Step 5: Solve for x
    x = 731,396,239.72/31,157.20
  6. Step 6: Final answer
    x = 23,474.39

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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.