Home / 53,821.85-80,736.90-16,385.12

Finding the Fourth Proportional to 53,821.85, 80,736.90 and 16,385.12

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Solution

The fourth proportional to 53,821.85, 80,736.90 and 16,385.12 is: 24,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,821.85 : 80,736.90 = 16,385.12 : x
  2. Step 2: Convert to fraction form
    53,821.85/80,736.90 = 16,385.12/x
  3. Step 3: Cross multiply
    53,821.85x = 80,736.90 × 16,385.12
  4. Step 4: Simplify right side
    53,821.85x = 1,322,883,724.73
  5. Step 5: Solve for x
    x = 1,322,883,724.73/53,821.85
  6. Step 6: Final answer
    x = 24,578.93

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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.