Home / 29,021.20-43,531.87-12,370.61

Finding the Fourth Proportional to 29,021.20, 43,531.87 and 12,370.61

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Solution

The fourth proportional to 29,021.20, 43,531.87 and 12,370.61 is: 18,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,021.20 : 43,531.87 = 12,370.61 : x
  2. Step 2: Convert to fraction form
    29,021.20/43,531.87 = 12,370.61/x
  3. Step 3: Cross multiply
    29,021.20x = 43,531.87 × 12,370.61
  4. Step 4: Simplify right side
    29,021.20x = 538,515,786.34
  5. Step 5: Solve for x
    x = 538,515,786.34/29,021.20
  6. Step 6: Final answer
    x = 18,555.94

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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.