Home / 29,382.09-40,545.60-17,121.21

Finding the Fourth Proportional to 29,382.09, 40,545.60 and 17,121.21

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Solution

The fourth proportional to 29,382.09, 40,545.60 and 17,121.21 is: 23,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,382.09 : 40,545.60 = 17,121.21 : x
  2. Step 2: Convert to fraction form
    29,382.09/40,545.60 = 17,121.21/x
  3. Step 3: Cross multiply
    29,382.09x = 40,545.60 × 17,121.21
  4. Step 4: Simplify right side
    29,382.09x = 694,189,732.18
  5. Step 5: Solve for x
    x = 694,189,732.18/29,382.09
  6. Step 6: Final answer
    x = 23,626.29

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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.