Home / 49,228.20-73,850.40-21,161.70

Finding the Fourth Proportional to 49,228.20, 73,850.40 and 21,161.70

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Solution

The fourth proportional to 49,228.20, 73,850.40 and 21,161.70 is: 31,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.20 : 73,850.40 = 21,161.70 : x
  2. Step 2: Convert to fraction form
    49,228.20/73,850.40 = 21,161.70/x
  3. Step 3: Cross multiply
    49,228.20x = 73,850.40 × 21,161.70
  4. Step 4: Simplify right side
    49,228.20x = 1,562,800,009.68
  5. Step 5: Solve for x
    x = 1,562,800,009.68/49,228.20
  6. Step 6: Final answer
    x = 31,746.03

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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.