Home / 38,786.96-58,172.27-17,721.02

Finding the Fourth Proportional to 38,786.96, 58,172.27 and 17,721.02

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Solution

The fourth proportional to 38,786.96, 58,172.27 and 17,721.02 is: 26,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,786.96 : 58,172.27 = 17,721.02 : x
  2. Step 2: Convert to fraction form
    38,786.96/58,172.27 = 17,721.02/x
  3. Step 3: Cross multiply
    38,786.96x = 58,172.27 × 17,721.02
  4. Step 4: Simplify right side
    38,786.96x = 1,030,871,580.65
  5. Step 5: Solve for x
    x = 1,030,871,580.65/38,786.96
  6. Step 6: Final answer
    x = 26,577.79

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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.