Home / 51,120.88-76,684.18-15,583.35

Finding the Fourth Proportional to 51,120.88, 76,684.18 and 15,583.35

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Solution

The fourth proportional to 51,120.88, 76,684.18 and 15,583.35 is: 23,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.88 : 76,684.18 = 15,583.35 : x
  2. Step 2: Convert to fraction form
    51,120.88/76,684.18 = 15,583.35/x
  3. Step 3: Cross multiply
    51,120.88x = 76,684.18 × 15,583.35
  4. Step 4: Simplify right side
    51,120.88x = 1,194,996,766.70
  5. Step 5: Solve for x
    x = 1,194,996,766.70/51,120.88
  6. Step 6: Final answer
    x = 23,375.90

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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.