Home / 31,247.76-43,121.88-17,100.60

Finding the Fourth Proportional to 31,247.76, 43,121.88 and 17,100.60

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Solution

The fourth proportional to 31,247.76, 43,121.88 and 17,100.60 is: 23,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.76 : 43,121.88 = 17,100.60 : x
  2. Step 2: Convert to fraction form
    31,247.76/43,121.88 = 17,100.60/x
  3. Step 3: Cross multiply
    31,247.76x = 43,121.88 × 17,100.60
  4. Step 4: Simplify right side
    31,247.76x = 737,410,021.13
  5. Step 5: Solve for x
    x = 737,410,021.13/31,247.76
  6. Step 6: Final answer
    x = 23,598.81

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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.