Home / 36,450.12-54,698.22-20,898.12

Finding the Fourth Proportional to 36,450.12, 54,698.22 and 20,898.12

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Solution

The fourth proportional to 36,450.12, 54,698.22 and 20,898.12 is: 31,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,450.12 : 54,698.22 = 20,898.12 : x
  2. Step 2: Convert to fraction form
    36,450.12/54,698.22 = 20,898.12/x
  3. Step 3: Cross multiply
    36,450.12x = 54,698.22 × 20,898.12
  4. Step 4: Simplify right side
    36,450.12x = 1,143,089,965.35
  5. Step 5: Solve for x
    x = 1,143,089,965.35/36,450.12
  6. Step 6: Final answer
    x = 31,360.39

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1.5x scale

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.