Home / 36,072.18-54,120.42-22,729.68

Finding the Fourth Proportional to 36,072.18, 54,120.42 and 22,729.68

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Solution

The fourth proportional to 36,072.18, 54,120.42 and 22,729.68 is: 34,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.18 : 54,120.42 = 22,729.68 : x
  2. Step 2: Convert to fraction form
    36,072.18/54,120.42 = 22,729.68/x
  3. Step 3: Cross multiply
    36,072.18x = 54,120.42 × 22,729.68
  4. Step 4: Simplify right side
    36,072.18x = 1,230,139,828.07
  5. Step 5: Solve for x
    x = 1,230,139,828.07/36,072.18
  6. Step 6: Final answer
    x = 34,102.18

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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.