Home / 36,552.72-54,857.92-18,782.66

Finding the Fourth Proportional to 36,552.72, 54,857.92 and 18,782.66

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Solution

The fourth proportional to 36,552.72, 54,857.92 and 18,782.66 is: 28,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,552.72 : 54,857.92 = 18,782.66 : x
  2. Step 2: Convert to fraction form
    36,552.72/54,857.92 = 18,782.66/x
  3. Step 3: Cross multiply
    36,552.72x = 54,857.92 × 18,782.66
  4. Step 4: Simplify right side
    36,552.72x = 1,030,377,659.67
  5. Step 5: Solve for x
    x = 1,030,377,659.67/36,552.72
  6. Step 6: Final answer
    x = 28,188.81

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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.