Home / 55,342.98-82,965.16-20,274.44

Finding the Fourth Proportional to 55,342.98, 82,965.16 and 20,274.44

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Solution

The fourth proportional to 55,342.98, 82,965.16 and 20,274.44 is: 30,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.98 : 82,965.16 = 20,274.44 : x
  2. Step 2: Convert to fraction form
    55,342.98/82,965.16 = 20,274.44/x
  3. Step 3: Cross multiply
    55,342.98x = 82,965.16 × 20,274.44
  4. Step 4: Simplify right side
    55,342.98x = 1,682,071,743.68
  5. Step 5: Solve for x
    x = 1,682,071,743.68/55,342.98
  6. Step 6: Final answer
    x = 30,393.59

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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.