Home / 31,670.21-43,704.21-17,329.98

Finding the Fourth Proportional to 31,670.21, 43,704.21 and 17,329.98

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Solution

The fourth proportional to 31,670.21, 43,704.21 and 17,329.98 is: 23,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.21 : 43,704.21 = 17,329.98 : x
  2. Step 2: Convert to fraction form
    31,670.21/43,704.21 = 17,329.98/x
  3. Step 3: Cross multiply
    31,670.21x = 43,704.21 × 17,329.98
  4. Step 4: Simplify right side
    31,670.21x = 757,393,085.22
  5. Step 5: Solve for x
    x = 757,393,085.22/31,670.21
  6. Step 6: Final answer
    x = 23,915.00

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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.