Home / 49,190.62-73,742.10-18,018.58

Finding the Fourth Proportional to 49,190.62, 73,742.10 and 18,018.58

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Solution

The fourth proportional to 49,190.62, 73,742.10 and 18,018.58 is: 27,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,190.62 : 73,742.10 = 18,018.58 : x
  2. Step 2: Convert to fraction form
    49,190.62/73,742.10 = 18,018.58/x
  3. Step 3: Cross multiply
    49,190.62x = 73,742.10 × 18,018.58
  4. Step 4: Simplify right side
    49,190.62x = 1,328,727,928.22
  5. Step 5: Solve for x
    x = 1,328,727,928.22/49,190.62
  6. Step 6: Final answer
    x = 27,011.82

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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.