Home / 40,617.53-60,940.70-18,126.15

Finding the Fourth Proportional to 40,617.53, 60,940.70 and 18,126.15

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Solution

The fourth proportional to 40,617.53, 60,940.70 and 18,126.15 is: 27,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,617.53 : 60,940.70 = 18,126.15 : x
  2. Step 2: Convert to fraction form
    40,617.53/60,940.70 = 18,126.15/x
  3. Step 3: Cross multiply
    40,617.53x = 60,940.70 × 18,126.15
  4. Step 4: Simplify right side
    40,617.53x = 1,104,620,634.27
  5. Step 5: Solve for x
    x = 1,104,620,634.27/40,617.53
  6. Step 6: Final answer
    x = 27,195.67

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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.