Home / 31,294.75-43,190.37-17,867.92

Finding the Fourth Proportional to 31,294.75, 43,190.37 and 17,867.92

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Solution

The fourth proportional to 31,294.75, 43,190.37 and 17,867.92 is: 24,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.75 : 43,190.37 = 17,867.92 : x
  2. Step 2: Convert to fraction form
    31,294.75/43,190.37 = 17,867.92/x
  3. Step 3: Cross multiply
    31,294.75x = 43,190.37 × 17,867.92
  4. Step 4: Simplify right side
    31,294.75x = 771,722,075.93
  5. Step 5: Solve for x
    x = 771,722,075.93/31,294.75
  6. Step 6: Final answer
    x = 24,659.79

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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.