Home / 55,019.70-82,530.17-17,579.48

Finding the Fourth Proportional to 55,019.70, 82,530.17 and 17,579.48

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Solution

The fourth proportional to 55,019.70, 82,530.17 and 17,579.48 is: 26,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,019.70 : 82,530.17 = 17,579.48 : x
  2. Step 2: Convert to fraction form
    55,019.70/82,530.17 = 17,579.48/x
  3. Step 3: Cross multiply
    55,019.70x = 82,530.17 × 17,579.48
  4. Step 4: Simplify right side
    55,019.70x = 1,450,836,972.36
  5. Step 5: Solve for x
    x = 1,450,836,972.36/55,019.70
  6. Step 6: Final answer
    x = 26,369.41

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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.