Home / 43,382.04-65,067.30-12,219.72

Finding the Fourth Proportional to 43,382.04, 65,067.30 and 12,219.72

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Solution

The fourth proportional to 43,382.04, 65,067.30 and 12,219.72 is: 18,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,382.04 : 65,067.30 = 12,219.72 : x
  2. Step 2: Convert to fraction form
    43,382.04/65,067.30 = 12,219.72/x
  3. Step 3: Cross multiply
    43,382.04x = 65,067.30 × 12,219.72
  4. Step 4: Simplify right side
    43,382.04x = 795,104,187.16
  5. Step 5: Solve for x
    x = 795,104,187.16/43,382.04
  6. Step 6: Final answer
    x = 18,327.96

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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.