Home / 37,089.36-55,636.20-12,132

Finding the Fourth Proportional to 37,089.36, 55,636.20 and 12,132

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Solution

The fourth proportional to 37,089.36, 55,636.20 and 12,132 is: 18,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,089.36 : 55,636.20 = 12,132 : x
  2. Step 2: Convert to fraction form
    37,089.36/55,636.20 = 12,132/x
  3. Step 3: Cross multiply
    37,089.36x = 55,636.20 × 12,132
  4. Step 4: Simplify right side
    37,089.36x = 674,978,378.40
  5. Step 5: Solve for x
    x = 674,978,378.40/37,089.36
  6. Step 6: Final answer
    x = 18,198.71

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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.