Home / 43,406.26-65,111.62-12,243.94

Finding the Fourth Proportional to 43,406.26, 65,111.62 and 12,243.94

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Solution

The fourth proportional to 43,406.26, 65,111.62 and 12,243.94 is: 18,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406.26 : 65,111.62 = 12,243.94 : x
  2. Step 2: Convert to fraction form
    43,406.26/65,111.62 = 12,243.94/x
  3. Step 3: Cross multiply
    43,406.26x = 65,111.62 × 12,243.94
  4. Step 4: Simplify right side
    43,406.26x = 797,222,768.58
  5. Step 5: Solve for x
    x = 797,222,768.58/43,406.26
  6. Step 6: Final answer
    x = 18,366.54

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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.