Home / 32,178.12-48,255.34-11,112.80

Finding the Fourth Proportional to 32,178.12, 48,255.34 and 11,112.80

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Solution

The fourth proportional to 32,178.12, 48,255.34 and 11,112.80 is: 16,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,178.12 : 48,255.34 = 11,112.80 : x
  2. Step 2: Convert to fraction form
    32,178.12/48,255.34 = 11,112.80/x
  3. Step 3: Cross multiply
    32,178.12x = 48,255.34 × 11,112.80
  4. Step 4: Simplify right side
    32,178.12x = 536,251,942.35
  5. Step 5: Solve for x
    x = 536,251,942.35/32,178.12
  6. Step 6: Final answer
    x = 16,665.11

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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.