Home / 57,431.03-79,243.20-33,553.09

Finding the Fourth Proportional to 57,431.03, 79,243.20 and 33,553.09

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Solution

The fourth proportional to 57,431.03, 79,243.20 and 33,553.09 is: 46,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.03 : 79,243.20 = 33,553.09 : x
  2. Step 2: Convert to fraction form
    57,431.03/79,243.20 = 33,553.09/x
  3. Step 3: Cross multiply
    57,431.03x = 79,243.20 × 33,553.09
  4. Step 4: Simplify right side
    57,431.03x = 2,658,854,446.37
  5. Step 5: Solve for x
    x = 2,658,854,446.37/57,431.03
  6. Step 6: Final answer
    x = 46,296.48

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1.5x scale

Why These Related Problems?

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