Home / 51,269.20-76,889.40-16,219.60

Finding the Fourth Proportional to 51,269.20, 76,889.40 and 16,219.60

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Solution

The fourth proportional to 51,269.20, 76,889.40 and 16,219.60 is: 24,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269.20 : 76,889.40 = 16,219.60 : x
  2. Step 2: Convert to fraction form
    51,269.20/76,889.40 = 16,219.60/x
  3. Step 3: Cross multiply
    51,269.20x = 76,889.40 × 16,219.60
  4. Step 4: Simplify right side
    51,269.20x = 1,247,115,312.24
  5. Step 5: Solve for x
    x = 1,247,115,312.24/51,269.20
  6. Step 6: Final answer
    x = 24,324.84

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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.