Home / 54,021.75-74,557.53-30,149.96

Finding the Fourth Proportional to 54,021.75, 74,557.53 and 30,149.96

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Solution

The fourth proportional to 54,021.75, 74,557.53 and 30,149.96 is: 41,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021.75 : 74,557.53 = 30,149.96 : x
  2. Step 2: Convert to fraction form
    54,021.75/74,557.53 = 30,149.96/x
  3. Step 3: Cross multiply
    54,021.75x = 74,557.53 × 30,149.96
  4. Step 4: Simplify right side
    54,021.75x = 2,247,906,361.76
  5. Step 5: Solve for x
    x = 2,247,906,361.76/54,021.75
  6. Step 6: Final answer
    x = 41,611.14

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1.5x scale

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.