Home / 45,241.09-67,850.70-18,965.50

Finding the Fourth Proportional to 45,241.09, 67,850.70 and 18,965.50

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Solution

The fourth proportional to 45,241.09, 67,850.70 and 18,965.50 is: 28,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,241.09 : 67,850.70 = 18,965.50 : x
  2. Step 2: Convert to fraction form
    45,241.09/67,850.70 = 18,965.50/x
  3. Step 3: Cross multiply
    45,241.09x = 67,850.70 × 18,965.50
  4. Step 4: Simplify right side
    45,241.09x = 1,286,822,450.85
  5. Step 5: Solve for x
    x = 1,286,822,450.85/45,241.09
  6. Step 6: Final answer
    x = 28,443.67

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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.