Home / 43,382.08-65,081.82-18,421.94

Finding the Fourth Proportional to 43,382.08, 65,081.82 and 18,421.94

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Solution

The fourth proportional to 43,382.08, 65,081.82 and 18,421.94 is: 27,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,382.08 : 65,081.82 = 18,421.94 : x
  2. Step 2: Convert to fraction form
    43,382.08/65,081.82 = 18,421.94/x
  3. Step 3: Cross multiply
    43,382.08x = 65,081.82 × 18,421.94
  4. Step 4: Simplify right side
    43,382.08x = 1,198,933,383.13
  5. Step 5: Solve for x
    x = 1,198,933,383.13/43,382.08
  6. Step 6: Final answer
    x = 27,636.60

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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.