Home / 36,493.80-54,742.32-14,305.20

Finding the Fourth Proportional to 36,493.80, 54,742.32 and 14,305.20

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Solution

The fourth proportional to 36,493.80, 54,742.32 and 14,305.20 is: 21,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,493.80 : 54,742.32 = 14,305.20 : x
  2. Step 2: Convert to fraction form
    36,493.80/54,742.32 = 14,305.20/x
  3. Step 3: Cross multiply
    36,493.80x = 54,742.32 × 14,305.20
  4. Step 4: Simplify right side
    36,493.80x = 783,099,836.06
  5. Step 5: Solve for x
    x = 783,099,836.06/36,493.80
  6. Step 6: Final answer
    x = 21,458.44

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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.