Home / 36,144.24-49,883.40-21,999.12

Finding the Fourth Proportional to 36,144.24, 49,883.40 and 21,999.12

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Solution

The fourth proportional to 36,144.24, 49,883.40 and 21,999.12 is: 30,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.24 : 49,883.40 = 21,999.12 : x
  2. Step 2: Convert to fraction form
    36,144.24/49,883.40 = 21,999.12/x
  3. Step 3: Cross multiply
    36,144.24x = 49,883.40 × 21,999.12
  4. Step 4: Simplify right side
    36,144.24x = 1,097,390,902.61
  5. Step 5: Solve for x
    x = 1,097,390,902.61/36,144.24
  6. Step 6: Final answer
    x = 30,361.43

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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.