Home / 36,753.12-50,711.48-21,640.26

Finding the Fourth Proportional to 36,753.12, 50,711.48 and 21,640.26

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Solution

The fourth proportional to 36,753.12, 50,711.48 and 21,640.26 is: 29,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,753.12 : 50,711.48 = 21,640.26 : x
  2. Step 2: Convert to fraction form
    36,753.12/50,711.48 = 21,640.26/x
  3. Step 3: Cross multiply
    36,753.12x = 50,711.48 × 21,640.26
  4. Step 4: Simplify right side
    36,753.12x = 1,097,409,805.73
  5. Step 5: Solve for x
    x = 1,097,409,805.73/36,753.12
  6. Step 6: Final answer
    x = 29,858.96

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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.