Home / 36,434.40-54,583.56-20,804.64

Finding the Fourth Proportional to 36,434.40, 54,583.56 and 20,804.64

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Solution

The fourth proportional to 36,434.40, 54,583.56 and 20,804.64 is: 31,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.40 : 54,583.56 = 20,804.64 : x
  2. Step 2: Convert to fraction form
    36,434.40/54,583.56 = 20,804.64/x
  3. Step 3: Cross multiply
    36,434.40x = 54,583.56 × 20,804.64
  4. Step 4: Simplify right side
    36,434.40x = 1,135,591,315.72
  5. Step 5: Solve for x
    x = 1,135,591,315.72/36,434.40
  6. Step 6: Final answer
    x = 31,168.11

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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.