Home / 49,620.38-68,477.42-28,406.48

Finding the Fourth Proportional to 49,620.38, 68,477.42 and 28,406.48

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Solution

The fourth proportional to 49,620.38, 68,477.42 and 28,406.48 is: 39,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,620.38 : 68,477.42 = 28,406.48 : x
  2. Step 2: Convert to fraction form
    49,620.38/68,477.42 = 28,406.48/x
  3. Step 3: Cross multiply
    49,620.38x = 68,477.42 × 28,406.48
  4. Step 4: Simplify right side
    49,620.38x = 1,945,202,461.68
  5. Step 5: Solve for x
    x = 1,945,202,461.68/49,620.38
  6. Step 6: Final answer
    x = 39,201.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.