Home / 40,209.18-60,306.21-18,018.42

Finding the Fourth Proportional to 40,209.18, 60,306.21 and 18,018.42

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Solution

The fourth proportional to 40,209.18, 60,306.21 and 18,018.42 is: 27,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.18 : 60,306.21 = 18,018.42 : x
  2. Step 2: Convert to fraction form
    40,209.18/60,306.21 = 18,018.42/x
  3. Step 3: Cross multiply
    40,209.18x = 60,306.21 × 18,018.42
  4. Step 4: Simplify right side
    40,209.18x = 1,086,622,620.39
  5. Step 5: Solve for x
    x = 1,086,622,620.39/40,209.18
  6. Step 6: Final answer
    x = 27,024.24

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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.