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Finding the Fourth Proportional to 36,467.80, 54,701.70 and 30,830.20

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Solution

The fourth proportional to 36,467.80, 54,701.70 and 30,830.20 is: 46,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,467.80 : 54,701.70 = 30,830.20 : x
  2. Step 2: Convert to fraction form
    36,467.80/54,701.70 = 30,830.20/x
  3. Step 3: Cross multiply
    36,467.80x = 54,701.70 × 30,830.20
  4. Step 4: Simplify right side
    36,467.80x = 1,686,464,351.34
  5. Step 5: Solve for x
    x = 1,686,464,351.34/36,467.80
  6. Step 6: Final answer
    x = 46,245.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.