Home / 36,124.42-54,175.40-12,745.38

Finding the Fourth Proportional to 36,124.42, 54,175.40 and 12,745.38

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Solution

The fourth proportional to 36,124.42, 54,175.40 and 12,745.38 is: 19,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.42 : 54,175.40 = 12,745.38 : x
  2. Step 2: Convert to fraction form
    36,124.42/54,175.40 = 12,745.38/x
  3. Step 3: Cross multiply
    36,124.42x = 54,175.40 × 12,745.38
  4. Step 4: Simplify right side
    36,124.42x = 690,486,059.65
  5. Step 5: Solve for x
    x = 690,486,059.65/36,124.42
  6. Step 6: Final answer
    x = 19,114.11

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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.