Home / 36,209.30-54,319.35-12,833.90

Finding the Fourth Proportional to 36,209.30, 54,319.35 and 12,833.90

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Solution

The fourth proportional to 36,209.30, 54,319.35 and 12,833.90 is: 19,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.30 : 54,319.35 = 12,833.90 : x
  2. Step 2: Convert to fraction form
    36,209.30/54,319.35 = 12,833.90/x
  3. Step 3: Cross multiply
    36,209.30x = 54,319.35 × 12,833.90
  4. Step 4: Simplify right side
    36,209.30x = 697,129,105.97
  5. Step 5: Solve for x
    x = 697,129,105.97/36,209.30
  6. Step 6: Final answer
    x = 19,252.76

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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.