Home / 31,392.21-43,321.57-17,052.18

Finding the Fourth Proportional to 31,392.21, 43,321.57 and 17,052.18

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Solution

The fourth proportional to 31,392.21, 43,321.57 and 17,052.18 is: 23,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.21 : 43,321.57 = 17,052.18 : x
  2. Step 2: Convert to fraction form
    31,392.21/43,321.57 = 17,052.18/x
  3. Step 3: Cross multiply
    31,392.21x = 43,321.57 × 17,052.18
  4. Step 4: Simplify right side
    31,392.21x = 738,727,380.98
  5. Step 5: Solve for x
    x = 738,727,380.98/31,392.21
  6. Step 6: Final answer
    x = 23,532.19

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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.