Home / 54,958.51-82,441.10-15,518.60

Finding the Fourth Proportional to 54,958.51, 82,441.10 and 15,518.60

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Solution

The fourth proportional to 54,958.51, 82,441.10 and 15,518.60 is: 23,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.51 : 82,441.10 = 15,518.60 : x
  2. Step 2: Convert to fraction form
    54,958.51/82,441.10 = 15,518.60/x
  3. Step 3: Cross multiply
    54,958.51x = 82,441.10 × 15,518.60
  4. Step 4: Simplify right side
    54,958.51x = 1,279,370,081.05
  5. Step 5: Solve for x
    x = 1,279,370,081.05/54,958.51
  6. Step 6: Final answer
    x = 23,278.84

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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.