Home / 73,408.24-110,111.84-20,817.68

Finding the Fourth Proportional to 73,408.24, 110,111.84 and 20,817.68

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Solution

The fourth proportional to 73,408.24, 110,111.84 and 20,817.68 is: 31,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,408.24 : 110,111.84 = 20,817.68 : x
  2. Step 2: Convert to fraction form
    73,408.24/110,111.84 = 20,817.68/x
  3. Step 3: Cross multiply
    73,408.24x = 110,111.84 × 20,817.68
  4. Step 4: Simplify right side
    73,408.24x = 2,292,273,049.33
  5. Step 5: Solve for x
    x = 2,292,273,049.33/73,408.24
  6. Step 6: Final answer
    x = 31,226.37

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1.5x scale

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.