Home / 34,245.20-51,367.80-9,621.20

Finding the Fourth Proportional to 34,245.20, 51,367.80 and 9,621.20

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Solution

The fourth proportional to 34,245.20, 51,367.80 and 9,621.20 is: 14,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.20 : 51,367.80 = 9,621.20 : x
  2. Step 2: Convert to fraction form
    34,245.20/51,367.80 = 9,621.20/x
  3. Step 3: Cross multiply
    34,245.20x = 51,367.80 × 9,621.20
  4. Step 4: Simplify right side
    34,245.20x = 494,219,877.36
  5. Step 5: Solve for x
    x = 494,219,877.36/34,245.20
  6. Step 6: Final answer
    x = 14,431.80

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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.