Home / 39,131.70-58,644.48-18,025.34

Finding the Fourth Proportional to 39,131.70, 58,644.48 and 18,025.34

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Solution

The fourth proportional to 39,131.70, 58,644.48 and 18,025.34 is: 27,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.70 : 58,644.48 = 18,025.34 : x
  2. Step 2: Convert to fraction form
    39,131.70/58,644.48 = 18,025.34/x
  3. Step 3: Cross multiply
    39,131.70x = 58,644.48 × 18,025.34
  4. Step 4: Simplify right side
    39,131.70x = 1,057,086,691.12
  5. Step 5: Solve for x
    x = 1,057,086,691.12/39,131.70
  6. Step 6: Final answer
    x = 27,013.56

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1.5x scale

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.