Home / 29,297.06-43,943.76-12,645.38

Finding the Fourth Proportional to 29,297.06, 43,943.76 and 12,645.38

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Solution

The fourth proportional to 29,297.06, 43,943.76 and 12,645.38 is: 18,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,297.06 : 43,943.76 = 12,645.38 : x
  2. Step 2: Convert to fraction form
    29,297.06/43,943.76 = 12,645.38/x
  3. Step 3: Cross multiply
    29,297.06x = 43,943.76 × 12,645.38
  4. Step 4: Simplify right side
    29,297.06x = 555,685,324.11
  5. Step 5: Solve for x
    x = 555,685,324.11/29,297.06
  6. Step 6: Final answer
    x = 18,967.28

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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.