Home / 34,431.24-51,629.78-12,241.28

Finding the Fourth Proportional to 34,431.24, 51,629.78 and 12,241.28

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Solution

The fourth proportional to 34,431.24, 51,629.78 and 12,241.28 is: 18,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.24 : 51,629.78 = 12,241.28 : x
  2. Step 2: Convert to fraction form
    34,431.24/51,629.78 = 12,241.28/x
  3. Step 3: Cross multiply
    34,431.24x = 51,629.78 × 12,241.28
  4. Step 4: Simplify right side
    34,431.24x = 632,014,593.32
  5. Step 5: Solve for x
    x = 632,014,593.32/34,431.24
  6. Step 6: Final answer
    x = 18,355.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.