Home / 37,231.50-51,379.47-20,464.14

Finding the Fourth Proportional to 37,231.50, 51,379.47 and 20,464.14

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Solution

The fourth proportional to 37,231.50, 51,379.47 and 20,464.14 is: 28,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.50 : 51,379.47 = 20,464.14 : x
  2. Step 2: Convert to fraction form
    37,231.50/51,379.47 = 20,464.14/x
  3. Step 3: Cross multiply
    37,231.50x = 51,379.47 × 20,464.14
  4. Step 4: Simplify right side
    37,231.50x = 1,051,436,667.21
  5. Step 5: Solve for x
    x = 1,051,436,667.21/37,231.50
  6. Step 6: Final answer
    x = 28,240.51

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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.