Home / 37,142.44-55,707.84-12,181.96

Finding the Fourth Proportional to 37,142.44, 55,707.84 and 12,181.96

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Solution

The fourth proportional to 37,142.44, 55,707.84 and 12,181.96 is: 18,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,142.44 : 55,707.84 = 12,181.96 : x
  2. Step 2: Convert to fraction form
    37,142.44/55,707.84 = 12,181.96/x
  3. Step 3: Cross multiply
    37,142.44x = 55,707.84 × 12,181.96
  4. Step 4: Simplify right side
    37,142.44x = 678,630,400.03
  5. Step 5: Solve for x
    x = 678,630,400.03/37,142.44
  6. Step 6: Final answer
    x = 18,271.03

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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.