Home / 33,181.74-49,742.73-12,107.07

Finding the Fourth Proportional to 33,181.74, 49,742.73 and 12,107.07

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Solution

The fourth proportional to 33,181.74, 49,742.73 and 12,107.07 is: 18,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.74 : 49,742.73 = 12,107.07 : x
  2. Step 2: Convert to fraction form
    33,181.74/49,742.73 = 12,107.07/x
  3. Step 3: Cross multiply
    33,181.74x = 49,742.73 × 12,107.07
  4. Step 4: Simplify right side
    33,181.74x = 602,238,714.10
  5. Step 5: Solve for x
    x = 602,238,714.10/33,181.74
  6. Step 6: Final answer
    x = 18,149.70

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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.