Home / 31,512.14-43,485.88-17,171.66

Finding the Fourth Proportional to 31,512.14, 43,485.88 and 17,171.66

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Solution

The fourth proportional to 31,512.14, 43,485.88 and 17,171.66 is: 23,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.14 : 43,485.88 = 17,171.66 : x
  2. Step 2: Convert to fraction form
    31,512.14/43,485.88 = 17,171.66/x
  3. Step 3: Cross multiply
    31,512.14x = 43,485.88 × 17,171.66
  4. Step 4: Simplify right side
    31,512.14x = 746,724,485.80
  5. Step 5: Solve for x
    x = 746,724,485.80/31,512.14
  6. Step 6: Final answer
    x = 23,696.41

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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.