Home / 73,247.22-109,861.11-20,660.94

Finding the Fourth Proportional to 73,247.22, 109,861.11 and 20,660.94

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Solution

The fourth proportional to 73,247.22, 109,861.11 and 20,660.94 is: 30,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,247.22 : 109,861.11 = 20,660.94 : x
  2. Step 2: Convert to fraction form
    73,247.22/109,861.11 = 20,660.94/x
  3. Step 3: Cross multiply
    73,247.22x = 109,861.11 × 20,660.94
  4. Step 4: Simplify right side
    73,247.22x = 2,269,833,802.04
  5. Step 5: Solve for x
    x = 2,269,833,802.04/73,247.22
  6. Step 6: Final answer
    x = 30,988.67

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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.