Home / 31,247.34-43,121.25-17,100.06

Finding the Fourth Proportional to 31,247.34, 43,121.25 and 17,100.06

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Solution

The fourth proportional to 31,247.34, 43,121.25 and 17,100.06 is: 23,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.34 : 43,121.25 = 17,100.06 : x
  2. Step 2: Convert to fraction form
    31,247.34/43,121.25 = 17,100.06/x
  3. Step 3: Cross multiply
    31,247.34x = 43,121.25 × 17,100.06
  4. Step 4: Simplify right side
    31,247.34x = 737,375,962.28
  5. Step 5: Solve for x
    x = 737,375,962.28/31,247.34
  6. Step 6: Final answer
    x = 23,598.04

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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.