Home / 29,131.77-43,697.68-12,481.00

Finding the Fourth Proportional to 29,131.77, 43,697.68 and 12,481.00

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Solution

The fourth proportional to 29,131.77, 43,697.68 and 12,481.00 is: 18,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.77 : 43,697.68 = 12,481.00 : x
  2. Step 2: Convert to fraction form
    29,131.77/43,697.68 = 12,481.00/x
  3. Step 3: Cross multiply
    29,131.77x = 43,697.68 × 12,481.00
  4. Step 4: Simplify right side
    29,131.77x = 545,390,849.43
  5. Step 5: Solve for x
    x = 545,390,849.43/29,131.77
  6. Step 6: Final answer
    x = 18,721.52

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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.