Home / 54,211.50-81,314.82-22,608.54

Finding the Fourth Proportional to 54,211.50, 81,314.82 and 22,608.54

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Solution

The fourth proportional to 54,211.50, 81,314.82 and 22,608.54 is: 33,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.50 : 81,314.82 = 22,608.54 : x
  2. Step 2: Convert to fraction form
    54,211.50/81,314.82 = 22,608.54/x
  3. Step 3: Cross multiply
    54,211.50x = 81,314.82 × 22,608.54
  4. Step 4: Simplify right side
    54,211.50x = 1,838,409,360.56
  5. Step 5: Solve for x
    x = 1,838,409,360.56/54,211.50
  6. Step 6: Final answer
    x = 33,911.80

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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.