Home / 53,286.58-79,920.78-17,743.86

Finding the Fourth Proportional to 53,286.58, 79,920.78 and 17,743.86

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Solution

The fourth proportional to 53,286.58, 79,920.78 and 17,743.86 is: 26,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,286.58 : 79,920.78 = 17,743.86 : x
  2. Step 2: Convert to fraction form
    53,286.58/79,920.78 = 17,743.86/x
  3. Step 3: Cross multiply
    53,286.58x = 79,920.78 × 17,743.86
  4. Step 4: Simplify right side
    53,286.58x = 1,418,103,042.69
  5. Step 5: Solve for x
    x = 1,418,103,042.69/53,286.58
  6. Step 6: Final answer
    x = 26,612.76

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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.