Home / 36,855.06-55,243.18-21,025.99

Finding the Fourth Proportional to 36,855.06, 55,243.18 and 21,025.99

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Solution

The fourth proportional to 36,855.06, 55,243.18 and 21,025.99 is: 31,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,855.06 : 55,243.18 = 21,025.99 : x
  2. Step 2: Convert to fraction form
    36,855.06/55,243.18 = 21,025.99/x
  3. Step 3: Cross multiply
    36,855.06x = 55,243.18 × 21,025.99
  4. Step 4: Simplify right side
    36,855.06x = 1,161,542,550.25
  5. Step 5: Solve for x
    x = 1,161,542,550.25/36,855.06
  6. Step 6: Final answer
    x = 31,516.50

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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.