Home / 71,226.27-106,845.48-18,635.67

Finding the Fourth Proportional to 71,226.27, 106,845.48 and 18,635.67

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Solution

The fourth proportional to 71,226.27, 106,845.48 and 18,635.67 is: 27,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,226.27 : 106,845.48 = 18,635.67 : x
  2. Step 2: Convert to fraction form
    71,226.27/106,845.48 = 18,635.67/x
  3. Step 3: Cross multiply
    71,226.27x = 106,845.48 × 18,635.67
  4. Step 4: Simplify right side
    71,226.27x = 1,991,137,106.27
  5. Step 5: Solve for x
    x = 1,991,137,106.27/71,226.27
  6. Step 6: Final answer
    x = 27,955.09

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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.