Home / 33,121.40-49,682.10-30,788.60

Finding the Fourth Proportional to 33,121.40, 49,682.10 and 30,788.60

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Solution

The fourth proportional to 33,121.40, 49,682.10 and 30,788.60 is: 46,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.40 : 49,682.10 = 30,788.60 : x
  2. Step 2: Convert to fraction form
    33,121.40/49,682.10 = 30,788.60/x
  3. Step 3: Cross multiply
    33,121.40x = 49,682.10 × 30,788.60
  4. Step 4: Simplify right side
    33,121.40x = 1,529,642,304.06
  5. Step 5: Solve for x
    x = 1,529,642,304.06/33,121.40
  6. Step 6: Final answer
    x = 46,182.90

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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.