Home / 36,161.09-54,245.28-12,465.52

Finding the Fourth Proportional to 36,161.09, 54,245.28 and 12,465.52

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Solution

The fourth proportional to 36,161.09, 54,245.28 and 12,465.52 is: 18,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.09 : 54,245.28 = 12,465.52 : x
  2. Step 2: Convert to fraction form
    36,161.09/54,245.28 = 12,465.52/x
  3. Step 3: Cross multiply
    36,161.09x = 54,245.28 × 12,465.52
  4. Step 4: Simplify right side
    36,161.09x = 676,195,622.75
  5. Step 5: Solve for x
    x = 676,195,622.75/36,161.09
  6. Step 6: Final answer
    x = 18,699.54

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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.