Home / 31,288.41-43,170.57-19,023.46

Finding the Fourth Proportional to 31,288.41, 43,170.57 and 19,023.46

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Solution

The fourth proportional to 31,288.41, 43,170.57 and 19,023.46 is: 26,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.41 : 43,170.57 = 19,023.46 : x
  2. Step 2: Convert to fraction form
    31,288.41/43,170.57 = 19,023.46/x
  3. Step 3: Cross multiply
    31,288.41x = 43,170.57 × 19,023.46
  4. Step 4: Simplify right side
    31,288.41x = 821,253,503.65
  5. Step 5: Solve for x
    x = 821,253,503.65/31,288.41
  6. Step 6: Final answer
    x = 26,247.85

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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.