Home / 33,540.81-46,287.20-18,433.87

Finding the Fourth Proportional to 33,540.81, 46,287.20 and 18,433.87

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Solution

The fourth proportional to 33,540.81, 46,287.20 and 18,433.87 is: 25,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,540.81 : 46,287.20 = 18,433.87 : x
  2. Step 2: Convert to fraction form
    33,540.81/46,287.20 = 18,433.87/x
  3. Step 3: Cross multiply
    33,540.81x = 46,287.20 × 18,433.87
  4. Step 4: Simplify right side
    33,540.81x = 853,252,019.58
  5. Step 5: Solve for x
    x = 853,252,019.58/33,540.81
  6. Step 6: Final answer
    x = 25,439.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.