Home / 38,525.06-53,163.78-21,529.46

Finding the Fourth Proportional to 38,525.06, 53,163.78 and 21,529.46

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Solution

The fourth proportional to 38,525.06, 53,163.78 and 21,529.46 is: 29,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.06 : 53,163.78 = 21,529.46 : x
  2. Step 2: Convert to fraction form
    38,525.06/53,163.78 = 21,529.46/x
  3. Step 3: Cross multiply
    38,525.06x = 53,163.78 × 21,529.46
  4. Step 4: Simplify right side
    38,525.06x = 1,144,587,474.96
  5. Step 5: Solve for x
    x = 1,144,587,474.96/38,525.06
  6. Step 6: Final answer
    x = 29,710.21

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