Home / 40,292.72-60,418.23-18,086.98

Finding the Fourth Proportional to 40,292.72, 60,418.23 and 18,086.98

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Solution

The fourth proportional to 40,292.72, 60,418.23 and 18,086.98 is: 27,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,292.72 : 60,418.23 = 18,086.98 : x
  2. Step 2: Convert to fraction form
    40,292.72/60,418.23 = 18,086.98/x
  3. Step 3: Cross multiply
    40,292.72x = 60,418.23 × 18,086.98
  4. Step 4: Simplify right side
    40,292.72x = 1,092,783,262.93
  5. Step 5: Solve for x
    x = 1,092,783,262.93/40,292.72
  6. Step 6: Final answer
    x = 27,121.11

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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.