Home / 31,185.18-43,040.84-17,754.57

Finding the Fourth Proportional to 31,185.18, 43,040.84 and 17,754.57

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Solution

The fourth proportional to 31,185.18, 43,040.84 and 17,754.57 is: 24,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.18 : 43,040.84 = 17,754.57 : x
  2. Step 2: Convert to fraction form
    31,185.18/43,040.84 = 17,754.57/x
  3. Step 3: Cross multiply
    31,185.18x = 43,040.84 × 17,754.57
  4. Step 4: Simplify right side
    31,185.18x = 764,171,517.87
  5. Step 5: Solve for x
    x = 764,171,517.87/31,185.18
  6. Step 6: Final answer
    x = 24,504.32

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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.