Home / 49,101.19-73,651.78-12,165.19

Finding the Fourth Proportional to 49,101.19, 73,651.78 and 12,165.19

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Solution

The fourth proportional to 49,101.19, 73,651.78 and 12,165.19 is: 18,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,101.19 : 73,651.78 = 12,165.19 : x
  2. Step 2: Convert to fraction form
    49,101.19/73,651.78 = 12,165.19/x
  3. Step 3: Cross multiply
    49,101.19x = 73,651.78 × 12,165.19
  4. Step 4: Simplify right side
    49,101.19x = 895,987,728.62
  5. Step 5: Solve for x
    x = 895,987,728.62/49,101.19
  6. Step 6: Final answer
    x = 18,247.78

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1.5x scale

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.