Home / 31,418.01-43,355.75-17,270.75

Finding the Fourth Proportional to 31,418.01, 43,355.75 and 17,270.75

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Solution

The fourth proportional to 31,418.01, 43,355.75 and 17,270.75 is: 23,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.01 : 43,355.75 = 17,270.75 : x
  2. Step 2: Convert to fraction form
    31,418.01/43,355.75 = 17,270.75/x
  3. Step 3: Cross multiply
    31,418.01x = 43,355.75 × 17,270.75
  4. Step 4: Simplify right side
    31,418.01x = 748,786,470.88
  5. Step 5: Solve for x
    x = 748,786,470.88/31,418.01
  6. Step 6: Final answer
    x = 23,833.03

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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.