Home / 49,305.60-73,965.78-18,138.48

Finding the Fourth Proportional to 49,305.60, 73,965.78 and 18,138.48

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Solution

The fourth proportional to 49,305.60, 73,965.78 and 18,138.48 is: 27,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,305.60 : 73,965.78 = 18,138.48 : x
  2. Step 2: Convert to fraction form
    49,305.60/73,965.78 = 18,138.48/x
  3. Step 3: Cross multiply
    49,305.60x = 73,965.78 × 18,138.48
  4. Step 4: Simplify right side
    49,305.60x = 1,341,626,821.21
  5. Step 5: Solve for x
    x = 1,341,626,821.21/49,305.60
  6. Step 6: Final answer
    x = 27,210.43

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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.