Home / 49,577.44-74,380.72-19,980.04

Finding the Fourth Proportional to 49,577.44, 74,380.72 and 19,980.04

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Solution

The fourth proportional to 49,577.44, 74,380.72 and 19,980.04 is: 29,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,577.44 : 74,380.72 = 19,980.04 : x
  2. Step 2: Convert to fraction form
    49,577.44/74,380.72 = 19,980.04/x
  3. Step 3: Cross multiply
    49,577.44x = 74,380.72 × 19,980.04
  4. Step 4: Simplify right side
    49,577.44x = 1,486,129,760.83
  5. Step 5: Solve for x
    x = 1,486,129,760.83/49,577.44
  6. Step 6: Final answer
    x = 29,975.93

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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.