Home / 67,323.08-100,936-20,550.44

Finding the Fourth Proportional to 67,323.08, 100,936 and 20,550.44

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Solution

The fourth proportional to 67,323.08, 100,936 and 20,550.44 is: 30,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,323.08 : 100,936 = 20,550.44 : x
  2. Step 2: Convert to fraction form
    67,323.08/100,936 = 20,550.44/x
  3. Step 3: Cross multiply
    67,323.08x = 100,936 × 20,550.44
  4. Step 4: Simplify right side
    67,323.08x = 2,074,279,211.84
  5. Step 5: Solve for x
    x = 2,074,279,211.84/67,323.08
  6. Step 6: Final answer
    x = 30,810.82

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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.