Home / 36,623.75-54,935.64-8,921.75

Finding the Fourth Proportional to 36,623.75, 54,935.64 and 8,921.75

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Solution

The fourth proportional to 36,623.75, 54,935.64 and 8,921.75 is: 13,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,623.75 : 54,935.64 = 8,921.75 : x
  2. Step 2: Convert to fraction form
    36,623.75/54,935.64 = 8,921.75/x
  3. Step 3: Cross multiply
    36,623.75x = 54,935.64 × 8,921.75
  4. Step 4: Simplify right side
    36,623.75x = 490,122,046.17
  5. Step 5: Solve for x
    x = 490,122,046.17/36,623.75
  6. Step 6: Final answer
    x = 13,382.63

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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.