Home / 53,565.82-80,360.47-20,286.12

Finding the Fourth Proportional to 53,565.82, 80,360.47 and 20,286.12

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Solution

The fourth proportional to 53,565.82, 80,360.47 and 20,286.12 is: 30,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.82 : 80,360.47 = 20,286.12 : x
  2. Step 2: Convert to fraction form
    53,565.82/80,360.47 = 20,286.12/x
  3. Step 3: Cross multiply
    53,565.82x = 80,360.47 × 20,286.12
  4. Step 4: Simplify right side
    53,565.82x = 1,630,202,137.68
  5. Step 5: Solve for x
    x = 1,630,202,137.68/53,565.82
  6. Step 6: Final answer
    x = 30,433.63

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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.