Home / 29,324.40-43,985.96-7,137.90

Finding the Fourth Proportional to 29,324.40, 43,985.96 and 7,137.90

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Solution

The fourth proportional to 29,324.40, 43,985.96 and 7,137.90 is: 10,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,324.40 : 43,985.96 = 7,137.90 : x
  2. Step 2: Convert to fraction form
    29,324.40/43,985.96 = 7,137.90/x
  3. Step 3: Cross multiply
    29,324.40x = 43,985.96 × 7,137.90
  4. Step 4: Simplify right side
    29,324.40x = 313,967,383.88
  5. Step 5: Solve for x
    x = 313,967,383.88/29,324.40
  6. Step 6: Final answer
    x = 10,706.69

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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.