Home / 36,845.72-55,269.30-9,143

Finding the Fourth Proportional to 36,845.72, 55,269.30 and 9,143

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Solution

The fourth proportional to 36,845.72, 55,269.30 and 9,143 is: 13,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,845.72 : 55,269.30 = 9,143 : x
  2. Step 2: Convert to fraction form
    36,845.72/55,269.30 = 9,143/x
  3. Step 3: Cross multiply
    36,845.72x = 55,269.30 × 9,143
  4. Step 4: Simplify right side
    36,845.72x = 505,327,209.90
  5. Step 5: Solve for x
    x = 505,327,209.90/36,845.72
  6. Step 6: Final answer
    x = 13,714.68

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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.