Home / 29,173.36-40,242.44-18,414.40

Finding the Fourth Proportional to 29,173.36, 40,242.44 and 18,414.40

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Solution

The fourth proportional to 29,173.36, 40,242.44 and 18,414.40 is: 25,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,173.36 : 40,242.44 = 18,414.40 : x
  2. Step 2: Convert to fraction form
    29,173.36/40,242.44 = 18,414.40/x
  3. Step 3: Cross multiply
    29,173.36x = 40,242.44 × 18,414.40
  4. Step 4: Simplify right side
    29,173.36x = 741,040,387.14
  5. Step 5: Solve for x
    x = 741,040,387.14/29,173.36
  6. Step 6: Final answer
    x = 25,401.27

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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.