Home / 45,590.82-62,944.20-31,274.64

Finding the Fourth Proportional to 45,590.82, 62,944.20 and 31,274.64

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Solution

The fourth proportional to 45,590.82, 62,944.20 and 31,274.64 is: 43,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,590.82 : 62,944.20 = 31,274.64 : x
  2. Step 2: Convert to fraction form
    45,590.82/62,944.20 = 31,274.64/x
  3. Step 3: Cross multiply
    45,590.82x = 62,944.20 × 31,274.64
  4. Step 4: Simplify right side
    45,590.82x = 1,968,557,195.09
  5. Step 5: Solve for x
    x = 1,968,557,195.09/45,590.82
  6. Step 6: Final answer
    x = 43,178.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.