Home / 33,131.60-49,697.40-8,507.60

Finding the Fourth Proportional to 33,131.60, 49,697.40 and 8,507.60

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Solution

The fourth proportional to 33,131.60, 49,697.40 and 8,507.60 is: 12,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,131.60 : 49,697.40 = 8,507.60 : x
  2. Step 2: Convert to fraction form
    33,131.60/49,697.40 = 8,507.60/x
  3. Step 3: Cross multiply
    33,131.60x = 49,697.40 × 8,507.60
  4. Step 4: Simplify right side
    33,131.60x = 422,805,600.24
  5. Step 5: Solve for x
    x = 422,805,600.24/33,131.60
  6. Step 6: Final answer
    x = 12,761.40

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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.