Home / 30,121.26-41,573.18-17,382.66

Finding the Fourth Proportional to 30,121.26, 41,573.18 and 17,382.66

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Solution

The fourth proportional to 30,121.26, 41,573.18 and 17,382.66 is: 23,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.26 : 41,573.18 = 17,382.66 : x
  2. Step 2: Convert to fraction form
    30,121.26/41,573.18 = 17,382.66/x
  3. Step 3: Cross multiply
    30,121.26x = 41,573.18 × 17,382.66
  4. Step 4: Simplify right side
    30,121.26x = 722,652,453.06
  5. Step 5: Solve for x
    x = 722,652,453.06/30,121.26
  6. Step 6: Final answer
    x = 23,991.44

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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.