Home / 33,018.98-49,443.89-18,211.43

Finding the Fourth Proportional to 33,018.98, 49,443.89 and 18,211.43

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Solution

The fourth proportional to 33,018.98, 49,443.89 and 18,211.43 is: 27,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,018.98 : 49,443.89 = 18,211.43 : x
  2. Step 2: Convert to fraction form
    33,018.98/49,443.89 = 18,211.43/x
  3. Step 3: Cross multiply
    33,018.98x = 49,443.89 × 18,211.43
  4. Step 4: Simplify right side
    33,018.98x = 900,443,974.22
  5. Step 5: Solve for x
    x = 900,443,974.22/33,018.98
  6. Step 6: Final answer
    x = 27,270.50

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1.5x scale

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.