Home / 46,487.44-69,691.86-20,172.28

Finding the Fourth Proportional to 46,487.44, 69,691.86 and 20,172.28

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Solution

The fourth proportional to 46,487.44, 69,691.86 and 20,172.28 is: 30,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,487.44 : 69,691.86 = 20,172.28 : x
  2. Step 2: Convert to fraction form
    46,487.44/69,691.86 = 20,172.28/x
  3. Step 3: Cross multiply
    46,487.44x = 69,691.86 × 20,172.28
  4. Step 4: Simplify right side
    46,487.44x = 1,405,843,713.64
  5. Step 5: Solve for x
    x = 1,405,843,713.64/46,487.44
  6. Step 6: Final answer
    x = 30,241.37

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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.