Home / 36,313.94-54,443.23-18,772.58

Finding the Fourth Proportional to 36,313.94, 54,443.23 and 18,772.58

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Solution

The fourth proportional to 36,313.94, 54,443.23 and 18,772.58 is: 28,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.94 : 54,443.23 = 18,772.58 : x
  2. Step 2: Convert to fraction form
    36,313.94/54,443.23 = 18,772.58/x
  3. Step 3: Cross multiply
    36,313.94x = 54,443.23 × 18,772.58
  4. Step 4: Simplify right side
    36,313.94x = 1,022,039,890.63
  5. Step 5: Solve for x
    x = 1,022,039,890.63/36,313.94
  6. Step 6: Final answer
    x = 28,144.56

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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.