Home / 31,392.36-43,321.23-17,244.90

Finding the Fourth Proportional to 31,392.36, 43,321.23 and 17,244.90

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Solution

The fourth proportional to 31,392.36, 43,321.23 and 17,244.90 is: 23,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.36 : 43,321.23 = 17,244.90 : x
  2. Step 2: Convert to fraction form
    31,392.36/43,321.23 = 17,244.90/x
  3. Step 3: Cross multiply
    31,392.36x = 43,321.23 × 17,244.90
  4. Step 4: Simplify right side
    31,392.36x = 747,070,279.23
  5. Step 5: Solve for x
    x = 747,070,279.23/31,392.36
  6. Step 6: Final answer
    x = 23,797.84

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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.