Home / 50,889.88-76,310.58-18,858.52

Finding the Fourth Proportional to 50,889.88, 76,310.58 and 18,858.52

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Solution

The fourth proportional to 50,889.88, 76,310.58 and 18,858.52 is: 28,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,889.88 : 76,310.58 = 18,858.52 : x
  2. Step 2: Convert to fraction form
    50,889.88/76,310.58 = 18,858.52/x
  3. Step 3: Cross multiply
    50,889.88x = 76,310.58 × 18,858.52
  4. Step 4: Simplify right side
    50,889.88x = 1,439,104,599.14
  5. Step 5: Solve for x
    x = 1,439,104,599.14/50,889.88
  6. Step 6: Final answer
    x = 28,278.80

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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.