Home / 50,665.85-76,000.31-17,385.44

Finding the Fourth Proportional to 50,665.85, 76,000.31 and 17,385.44

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Solution

The fourth proportional to 50,665.85, 76,000.31 and 17,385.44 is: 26,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,665.85 : 76,000.31 = 17,385.44 : x
  2. Step 2: Convert to fraction form
    50,665.85/76,000.31 = 17,385.44/x
  3. Step 3: Cross multiply
    50,665.85x = 76,000.31 × 17,385.44
  4. Step 4: Simplify right side
    50,665.85x = 1,321,298,829.49
  5. Step 5: Solve for x
    x = 1,321,298,829.49/50,665.85
  6. Step 6: Final answer
    x = 26,078.69

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1.5x scale

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.