Home / 37,134.48-55,713.28-12,174.72

Finding the Fourth Proportional to 37,134.48, 55,713.28 and 12,174.72

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Solution

The fourth proportional to 37,134.48, 55,713.28 and 12,174.72 is: 18,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.48 : 55,713.28 = 12,174.72 : x
  2. Step 2: Convert to fraction form
    37,134.48/55,713.28 = 12,174.72/x
  3. Step 3: Cross multiply
    37,134.48x = 55,713.28 × 12,174.72
  4. Step 4: Simplify right side
    37,134.48x = 678,293,584.28
  5. Step 5: Solve for x
    x = 678,293,584.28/37,134.48
  6. Step 6: Final answer
    x = 18,265.87

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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.