Home / 43,873.29-65,816.82-18,920.43

Finding the Fourth Proportional to 43,873.29, 65,816.82 and 18,920.43

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Solution

The fourth proportional to 43,873.29, 65,816.82 and 18,920.43 is: 28,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,873.29 : 65,816.82 = 18,920.43 : x
  2. Step 2: Convert to fraction form
    43,873.29/65,816.82 = 18,920.43/x
  3. Step 3: Cross multiply
    43,873.29x = 65,816.82 × 18,920.43
  4. Step 4: Simplify right side
    43,873.29x = 1,245,282,535.63
  5. Step 5: Solve for x
    x = 1,245,282,535.63/43,873.29
  6. Step 6: Final answer
    x = 28,383.61

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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.