Home / 43,255.15-64,891.37-18,295.09

Finding the Fourth Proportional to 43,255.15, 64,891.37 and 18,295.09

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Solution

The fourth proportional to 43,255.15, 64,891.37 and 18,295.09 is: 27,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,255.15 : 64,891.37 = 18,295.09 : x
  2. Step 2: Convert to fraction form
    43,255.15/64,891.37 = 18,295.09/x
  3. Step 3: Cross multiply
    43,255.15x = 64,891.37 × 18,295.09
  4. Step 4: Simplify right side
    43,255.15x = 1,187,193,337.88
  5. Step 5: Solve for x
    x = 1,187,193,337.88/43,255.15
  6. Step 6: Final answer
    x = 27,446.29

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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.