Home / 32,102.75-48,149.37-12,378.85

Finding the Fourth Proportional to 32,102.75, 48,149.37 and 12,378.85

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Solution

The fourth proportional to 32,102.75, 48,149.37 and 12,378.85 is: 18,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,102.75 : 48,149.37 = 12,378.85 : x
  2. Step 2: Convert to fraction form
    32,102.75/48,149.37 = 12,378.85/x
  3. Step 3: Cross multiply
    32,102.75x = 48,149.37 × 12,378.85
  4. Step 4: Simplify right side
    32,102.75x = 596,033,708.45
  5. Step 5: Solve for x
    x = 596,033,708.45/32,102.75
  6. Step 6: Final answer
    x = 18,566.44

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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.