Home / 38,520.20-57,737.10-16,329.80

Finding the Fourth Proportional to 38,520.20, 57,737.10 and 16,329.80

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Solution

The fourth proportional to 38,520.20, 57,737.10 and 16,329.80 is: 24,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.20 : 57,737.10 = 16,329.80 : x
  2. Step 2: Convert to fraction form
    38,520.20/57,737.10 = 16,329.80/x
  3. Step 3: Cross multiply
    38,520.20x = 57,737.10 × 16,329.80
  4. Step 4: Simplify right side
    38,520.20x = 942,835,295.58
  5. Step 5: Solve for x
    x = 942,835,295.58/38,520.20
  6. Step 6: Final answer
    x = 24,476.39

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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.