Home / 31,247.19-43,121.13-17,100.04

Finding the Fourth Proportional to 31,247.19, 43,121.13 and 17,100.04

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Solution

The fourth proportional to 31,247.19, 43,121.13 and 17,100.04 is: 23,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.19 : 43,121.13 = 17,100.04 : x
  2. Step 2: Convert to fraction form
    31,247.19/43,121.13 = 17,100.04/x
  3. Step 3: Cross multiply
    31,247.19x = 43,121.13 × 17,100.04
  4. Step 4: Simplify right side
    31,247.19x = 737,373,047.85
  5. Step 5: Solve for x
    x = 737,373,047.85/31,247.19
  6. Step 6: Final answer
    x = 23,598.06

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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.