Home / 53,540.14-80,310.39-13,559.11

Finding the Fourth Proportional to 53,540.14, 80,310.39 and 13,559.11

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Solution

The fourth proportional to 53,540.14, 80,310.39 and 13,559.11 is: 20,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.14 : 80,310.39 = 13,559.11 : x
  2. Step 2: Convert to fraction form
    53,540.14/80,310.39 = 13,559.11/x
  3. Step 3: Cross multiply
    53,540.14x = 80,310.39 × 13,559.11
  4. Step 4: Simplify right side
    53,540.14x = 1,088,937,160.53
  5. Step 5: Solve for x
    x = 1,088,937,160.53/53,540.14
  6. Step 6: Final answer
    x = 20,338.71

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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.