Home / 33,022.40-49,533.60-12,243.20

Finding the Fourth Proportional to 33,022.40, 49,533.60 and 12,243.20

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Solution

The fourth proportional to 33,022.40, 49,533.60 and 12,243.20 is: 18,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,022.40 : 49,533.60 = 12,243.20 : x
  2. Step 2: Convert to fraction form
    33,022.40/49,533.60 = 12,243.20/x
  3. Step 3: Cross multiply
    33,022.40x = 49,533.60 × 12,243.20
  4. Step 4: Simplify right side
    33,022.40x = 606,449,771.52
  5. Step 5: Solve for x
    x = 606,449,771.52/33,022.40
  6. Step 6: Final answer
    x = 18,364.80

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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.