Home / 31,027.26-46,610.07-19,189.78

Finding the Fourth Proportional to 31,027.26, 46,610.07 and 19,189.78

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Solution

The fourth proportional to 31,027.26, 46,610.07 and 19,189.78 is: 28,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,027.26 : 46,610.07 = 19,189.78 : x
  2. Step 2: Convert to fraction form
    31,027.26/46,610.07 = 19,189.78/x
  3. Step 3: Cross multiply
    31,027.26x = 46,610.07 × 19,189.78
  4. Step 4: Simplify right side
    31,027.26x = 894,436,989.08
  5. Step 5: Solve for x
    x = 894,436,989.08/31,027.26
  6. Step 6: Final answer
    x = 28,827.46

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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.