Home / 29,313.26-43,982.18-12,664.72

Finding the Fourth Proportional to 29,313.26, 43,982.18 and 12,664.72

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Solution

The fourth proportional to 29,313.26, 43,982.18 and 12,664.72 is: 19,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.26 : 43,982.18 = 12,664.72 : x
  2. Step 2: Convert to fraction form
    29,313.26/43,982.18 = 12,664.72/x
  3. Step 3: Cross multiply
    29,313.26x = 43,982.18 × 12,664.72
  4. Step 4: Simplify right side
    29,313.26x = 557,021,994.69
  5. Step 5: Solve for x
    x = 557,021,994.69/29,313.26
  6. Step 6: Final answer
    x = 19,002.39

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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.