Home / 20,735.06-31,096.80-5,738.56

Finding the Fourth Proportional to 20,735.06, 31,096.80 and 5,738.56

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Solution

The fourth proportional to 20,735.06, 31,096.80 and 5,738.56 is: 8,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.06 : 31,096.80 = 5,738.56 : x
  2. Step 2: Convert to fraction form
    20,735.06/31,096.80 = 5,738.56/x
  3. Step 3: Cross multiply
    20,735.06x = 31,096.80 × 5,738.56
  4. Step 4: Simplify right side
    20,735.06x = 178,450,852.61
  5. Step 5: Solve for x
    x = 178,450,852.61/20,735.06
  6. Step 6: Final answer
    x = 8,606.24

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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.