Home / 43,640.29-65,460.44-12,049.31

Finding the Fourth Proportional to 43,640.29, 65,460.44 and 12,049.31

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Solution

The fourth proportional to 43,640.29, 65,460.44 and 12,049.31 is: 18,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640.29 : 65,460.44 = 12,049.31 : x
  2. Step 2: Convert to fraction form
    43,640.29/65,460.44 = 12,049.31/x
  3. Step 3: Cross multiply
    43,640.29x = 65,460.44 × 12,049.31
  4. Step 4: Simplify right side
    43,640.29x = 788,753,134.30
  5. Step 5: Solve for x
    x = 788,753,134.30/43,640.29
  6. Step 6: Final answer
    x = 18,073.97

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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.