Home / 33,090.41-49,635.18-8,130.57

Finding the Fourth Proportional to 33,090.41, 49,635.18 and 8,130.57

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Solution

The fourth proportional to 33,090.41, 49,635.18 and 8,130.57 is: 12,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090.41 : 49,635.18 = 8,130.57 : x
  2. Step 2: Convert to fraction form
    33,090.41/49,635.18 = 8,130.57/x
  3. Step 3: Cross multiply
    33,090.41x = 49,635.18 × 8,130.57
  4. Step 4: Simplify right side
    33,090.41x = 403,562,305.45
  5. Step 5: Solve for x
    x = 403,562,305.45/33,090.41
  6. Step 6: Final answer
    x = 12,195.75

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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.