Home / 52,623.87-78,933.97-13,181.32

Finding the Fourth Proportional to 52,623.87, 78,933.97 and 13,181.32

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Solution

The fourth proportional to 52,623.87, 78,933.97 and 13,181.32 is: 19,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,623.87 : 78,933.97 = 13,181.32 : x
  2. Step 2: Convert to fraction form
    52,623.87/78,933.97 = 13,181.32/x
  3. Step 3: Cross multiply
    52,623.87x = 78,933.97 × 13,181.32
  4. Step 4: Simplify right side
    52,623.87x = 1,040,453,917.44
  5. Step 5: Solve for x
    x = 1,040,453,917.44/52,623.87
  6. Step 6: Final answer
    x = 19,771.52

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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.