Home / 31,722.21-43,779.30-17,576.37

Finding the Fourth Proportional to 31,722.21, 43,779.30 and 17,576.37

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Solution

The fourth proportional to 31,722.21, 43,779.30 and 17,576.37 is: 24,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.21 : 43,779.30 = 17,576.37 : x
  2. Step 2: Convert to fraction form
    31,722.21/43,779.30 = 17,576.37/x
  3. Step 3: Cross multiply
    31,722.21x = 43,779.30 × 17,576.37
  4. Step 4: Simplify right side
    31,722.21x = 769,481,175.14
  5. Step 5: Solve for x
    x = 769,481,175.14/31,722.21
  6. Step 6: Final answer
    x = 24,256.86

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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.