Home / 49,079.14-73,619.12-20,984.69

Finding the Fourth Proportional to 49,079.14, 73,619.12 and 20,984.69

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Solution

The fourth proportional to 49,079.14, 73,619.12 and 20,984.69 is: 31,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,079.14 : 73,619.12 = 20,984.69 : x
  2. Step 2: Convert to fraction form
    49,079.14/73,619.12 = 20,984.69/x
  3. Step 3: Cross multiply
    49,079.14x = 73,619.12 × 20,984.69
  4. Step 4: Simplify right side
    49,079.14x = 1,544,874,647.78
  5. Step 5: Solve for x
    x = 1,544,874,647.78/49,079.14
  6. Step 6: Final answer
    x = 31,477.22

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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.