Home / 53,481.75-73,804.32-30,812.42

Finding the Fourth Proportional to 53,481.75, 73,804.32 and 30,812.42

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Solution

The fourth proportional to 53,481.75, 73,804.32 and 30,812.42 is: 42,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,481.75 : 73,804.32 = 30,812.42 : x
  2. Step 2: Convert to fraction form
    53,481.75/73,804.32 = 30,812.42/x
  3. Step 3: Cross multiply
    53,481.75x = 73,804.32 × 30,812.42
  4. Step 4: Simplify right side
    53,481.75x = 2,274,089,459.34
  5. Step 5: Solve for x
    x = 2,274,089,459.34/53,481.75
  6. Step 6: Final answer
    x = 42,520.85

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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.