Home / 29,720.25-41,015.16-17,145

Finding the Fourth Proportional to 29,720.25, 41,015.16 and 17,145

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Solution

The fourth proportional to 29,720.25, 41,015.16 and 17,145 is: 23,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720.25 : 41,015.16 = 17,145 : x
  2. Step 2: Convert to fraction form
    29,720.25/41,015.16 = 17,145/x
  3. Step 3: Cross multiply
    29,720.25x = 41,015.16 × 17,145
  4. Step 4: Simplify right side
    29,720.25x = 703,204,918.20
  5. Step 5: Solve for x
    x = 703,204,918.20/29,720.25
  6. Step 6: Final answer
    x = 23,660.80

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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.