Home / 53,910.20-80,850.90-16,470.20

Finding the Fourth Proportional to 53,910.20, 80,850.90 and 16,470.20

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Solution

The fourth proportional to 53,910.20, 80,850.90 and 16,470.20 is: 24,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.20 : 80,850.90 = 16,470.20 : x
  2. Step 2: Convert to fraction form
    53,910.20/80,850.90 = 16,470.20/x
  3. Step 3: Cross multiply
    53,910.20x = 80,850.90 × 16,470.20
  4. Step 4: Simplify right side
    53,910.20x = 1,331,630,493.18
  5. Step 5: Solve for x
    x = 1,331,630,493.18/53,910.20
  6. Step 6: Final answer
    x = 24,700.90

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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.