Home / 81,503.14-122,241.59-22,324.98

Finding the Fourth Proportional to 81,503.14, 122,241.59 and 22,324.98

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Solution

The fourth proportional to 81,503.14, 122,241.59 and 22,324.98 is: 33,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,503.14 : 122,241.59 = 22,324.98 : x
  2. Step 2: Convert to fraction form
    81,503.14/122,241.59 = 22,324.98/x
  3. Step 3: Cross multiply
    81,503.14x = 122,241.59 × 22,324.98
  4. Step 4: Simplify right side
    81,503.14x = 2,729,040,794.81
  5. Step 5: Solve for x
    x = 2,729,040,794.81/81,503.14
  6. Step 6: Final answer
    x = 33,483.87

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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.