Home / 36,200.96-54,308.68-12,509.36

Finding the Fourth Proportional to 36,200.96, 54,308.68 and 12,509.36

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Solution

The fourth proportional to 36,200.96, 54,308.68 and 12,509.36 is: 18,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,200.96 : 54,308.68 = 12,509.36 : x
  2. Step 2: Convert to fraction form
    36,200.96/54,308.68 = 12,509.36/x
  3. Step 3: Cross multiply
    36,200.96x = 54,308.68 × 12,509.36
  4. Step 4: Simplify right side
    36,200.96x = 679,366,933.74
  5. Step 5: Solve for x
    x = 679,366,933.74/36,200.96
  6. Step 6: Final answer
    x = 18,766.54

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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.