Home / 36,400.71-54,563.81-20,583.03

Finding the Fourth Proportional to 36,400.71, 54,563.81 and 20,583.03

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Solution

The fourth proportional to 36,400.71, 54,563.81 and 20,583.03 is: 30,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.71 : 54,563.81 = 20,583.03 : x
  2. Step 2: Convert to fraction form
    36,400.71/54,563.81 = 20,583.03/x
  3. Step 3: Cross multiply
    36,400.71x = 54,563.81 × 20,583.03
  4. Step 4: Simplify right side
    36,400.71x = 1,123,088,435.23
  5. Step 5: Solve for x
    x = 1,123,088,435.23/36,400.71
  6. Step 6: Final answer
    x = 30,853.48

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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.