Home / 32,181.12-48,259.84-11,115.80

Finding the Fourth Proportional to 32,181.12, 48,259.84 and 11,115.80

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Solution

The fourth proportional to 32,181.12, 48,259.84 and 11,115.80 is: 16,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,181.12 : 48,259.84 = 11,115.80 : x
  2. Step 2: Convert to fraction form
    32,181.12/48,259.84 = 11,115.80/x
  3. Step 3: Cross multiply
    32,181.12x = 48,259.84 × 11,115.80
  4. Step 4: Simplify right side
    32,181.12x = 536,446,729.47
  5. Step 5: Solve for x
    x = 536,446,729.47/32,181.12
  6. Step 6: Final answer
    x = 16,669.61

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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.