Home / 49,170.87-73,730.34-21,453.75

Finding the Fourth Proportional to 49,170.87, 73,730.34 and 21,453.75

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Solution

The fourth proportional to 49,170.87, 73,730.34 and 21,453.75 is: 32,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,170.87 : 73,730.34 = 21,453.75 : x
  2. Step 2: Convert to fraction form
    49,170.87/73,730.34 = 21,453.75/x
  3. Step 3: Cross multiply
    49,170.87x = 73,730.34 × 21,453.75
  4. Step 4: Simplify right side
    49,170.87x = 1,581,792,281.78
  5. Step 5: Solve for x
    x = 1,581,792,281.78/49,170.87
  6. Step 6: Final answer
    x = 32,169.30

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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.