Home / 36,155.58-54,235.30-11,212.86

Finding the Fourth Proportional to 36,155.58, 54,235.30 and 11,212.86

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Solution

The fourth proportional to 36,155.58, 54,235.30 and 11,212.86 is: 16,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.58 : 54,235.30 = 11,212.86 : x
  2. Step 2: Convert to fraction form
    36,155.58/54,235.30 = 11,212.86/x
  3. Step 3: Cross multiply
    36,155.58x = 54,235.30 × 11,212.86
  4. Step 4: Simplify right side
    36,155.58x = 608,132,825.96
  5. Step 5: Solve for x
    x = 608,132,825.96/36,155.58
  6. Step 6: Final answer
    x = 16,819.89

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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.