Home / 36,961.57-51,003.03-21,854.80

Finding the Fourth Proportional to 36,961.57, 51,003.03 and 21,854.80

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Solution

The fourth proportional to 36,961.57, 51,003.03 and 21,854.80 is: 30,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,961.57 : 51,003.03 = 21,854.80 : x
  2. Step 2: Convert to fraction form
    36,961.57/51,003.03 = 21,854.80/x
  3. Step 3: Cross multiply
    36,961.57x = 51,003.03 × 21,854.80
  4. Step 4: Simplify right side
    36,961.57x = 1,114,661,020.04
  5. Step 5: Solve for x
    x = 1,114,661,020.04/36,961.57
  6. Step 6: Final answer
    x = 30,157.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.