Home / 29,890.45-41,247.24-17,142.97

Finding the Fourth Proportional to 29,890.45, 41,247.24 and 17,142.97

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Solution

The fourth proportional to 29,890.45, 41,247.24 and 17,142.97 is: 23,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,890.45 : 41,247.24 = 17,142.97 : x
  2. Step 2: Convert to fraction form
    29,890.45/41,247.24 = 17,142.97/x
  3. Step 3: Cross multiply
    29,890.45x = 41,247.24 × 17,142.97
  4. Step 4: Simplify right side
    29,890.45x = 707,100,197.90
  5. Step 5: Solve for x
    x = 707,100,197.90/29,890.45
  6. Step 6: Final answer
    x = 23,656.39

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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.