Home / 37,231.18-51,379.31-20,235.43

Finding the Fourth Proportional to 37,231.18, 51,379.31 and 20,235.43

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Solution

The fourth proportional to 37,231.18, 51,379.31 and 20,235.43 is: 27,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.18 : 51,379.31 = 20,235.43 : x
  2. Step 2: Convert to fraction form
    37,231.18/51,379.31 = 20,235.43/x
  3. Step 3: Cross multiply
    37,231.18x = 51,379.31 × 20,235.43
  4. Step 4: Simplify right side
    37,231.18x = 1,039,682,072.88
  5. Step 5: Solve for x
    x = 1,039,682,072.88/37,231.18
  6. Step 6: Final answer
    x = 27,925.04

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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.