Home / 31,821.44-43,915.58-17,674.25

Finding the Fourth Proportional to 31,821.44, 43,915.58 and 17,674.25

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Solution

The fourth proportional to 31,821.44, 43,915.58 and 17,674.25 is: 24,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.44 : 43,915.58 = 17,674.25 : x
  2. Step 2: Convert to fraction form
    31,821.44/43,915.58 = 17,674.25/x
  3. Step 3: Cross multiply
    31,821.44x = 43,915.58 × 17,674.25
  4. Step 4: Simplify right side
    31,821.44x = 776,174,939.82
  5. Step 5: Solve for x
    x = 776,174,939.82/31,821.44
  6. Step 6: Final answer
    x = 24,391.57

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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.