Home / 43,969.22-65,957.73-12,379.56

Finding the Fourth Proportional to 43,969.22, 65,957.73 and 12,379.56

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Solution

The fourth proportional to 43,969.22, 65,957.73 and 12,379.56 is: 18,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,969.22 : 65,957.73 = 12,379.56 : x
  2. Step 2: Convert to fraction form
    43,969.22/65,957.73 = 12,379.56/x
  3. Step 3: Cross multiply
    43,969.22x = 65,957.73 × 12,379.56
  4. Step 4: Simplify right side
    43,969.22x = 816,527,372.10
  5. Step 5: Solve for x
    x = 816,527,372.10/43,969.22
  6. Step 6: Final answer
    x = 18,570.43

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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.