Home / 35,723.70-53,571.83-16,989.30

Finding the Fourth Proportional to 35,723.70, 53,571.83 and 16,989.30

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Solution

The fourth proportional to 35,723.70, 53,571.83 and 16,989.30 is: 25,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,723.70 : 53,571.83 = 16,989.30 : x
  2. Step 2: Convert to fraction form
    35,723.70/53,571.83 = 16,989.30/x
  3. Step 3: Cross multiply
    35,723.70x = 53,571.83 × 16,989.30
  4. Step 4: Simplify right side
    35,723.70x = 910,147,806.47
  5. Step 5: Solve for x
    x = 910,147,806.47/35,723.70
  6. Step 6: Final answer
    x = 25,477.42

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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.