Home / 57,714.53-86,576.72-20,271.33

Finding the Fourth Proportional to 57,714.53, 86,576.72 and 20,271.33

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Solution

The fourth proportional to 57,714.53, 86,576.72 and 20,271.33 is: 30,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.53 : 86,576.72 = 20,271.33 : x
  2. Step 2: Convert to fraction form
    57,714.53/86,576.72 = 20,271.33/x
  3. Step 3: Cross multiply
    57,714.53x = 86,576.72 × 20,271.33
  4. Step 4: Simplify right side
    57,714.53x = 1,755,025,160.08
  5. Step 5: Solve for x
    x = 1,755,025,160.08/57,714.53
  6. Step 6: Final answer
    x = 30,408.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.