Home / 49,098.78-73,647.36-12,162.78

Finding the Fourth Proportional to 49,098.78, 73,647.36 and 12,162.78

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Solution

The fourth proportional to 49,098.78, 73,647.36 and 12,162.78 is: 18,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,098.78 : 73,647.36 = 12,162.78 : x
  2. Step 2: Convert to fraction form
    49,098.78/73,647.36 = 12,162.78/x
  3. Step 3: Cross multiply
    49,098.78x = 73,647.36 × 12,162.78
  4. Step 4: Simplify right side
    49,098.78x = 895,756,637.26
  5. Step 5: Solve for x
    x = 895,756,637.26/49,098.78
  6. Step 6: Final answer
    x = 18,243.97

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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.