Home / 31,596.42-43,603-18,170.27

Finding the Fourth Proportional to 31,596.42, 43,603 and 18,170.27

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Solution

The fourth proportional to 31,596.42, 43,603 and 18,170.27 is: 25,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.42 : 43,603 = 18,170.27 : x
  2. Step 2: Convert to fraction form
    31,596.42/43,603 = 18,170.27/x
  3. Step 3: Cross multiply
    31,596.42x = 43,603 × 18,170.27
  4. Step 4: Simplify right side
    31,596.42x = 792,278,282.81
  5. Step 5: Solve for x
    x = 792,278,282.81/31,596.42
  6. Step 6: Final answer
    x = 25,074.94

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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.