Home / 49,074.13-73,555.98-20,980.09

Finding the Fourth Proportional to 49,074.13, 73,555.98 and 20,980.09

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Solution

The fourth proportional to 49,074.13, 73,555.98 and 20,980.09 is: 31,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,074.13 : 73,555.98 = 20,980.09 : x
  2. Step 2: Convert to fraction form
    49,074.13/73,555.98 = 20,980.09/x
  3. Step 3: Cross multiply
    49,074.13x = 73,555.98 × 20,980.09
  4. Step 4: Simplify right side
    49,074.13x = 1,543,211,080.44
  5. Step 5: Solve for x
    x = 1,543,211,080.44/49,074.13
  6. Step 6: Final answer
    x = 31,446.53

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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.