Home / 37,122.60-55,689.30-12,163.80

Finding the Fourth Proportional to 37,122.60, 55,689.30 and 12,163.80

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Solution

The fourth proportional to 37,122.60, 55,689.30 and 12,163.80 is: 18,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.60 : 55,689.30 = 12,163.80 : x
  2. Step 2: Convert to fraction form
    37,122.60/55,689.30 = 12,163.80/x
  3. Step 3: Cross multiply
    37,122.60x = 55,689.30 × 12,163.80
  4. Step 4: Simplify right side
    37,122.60x = 677,393,507.34
  5. Step 5: Solve for x
    x = 677,393,507.34/37,122.60
  6. Step 6: Final answer
    x = 18,247.47

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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.