Home / 54,319.14-81,458.73-18,771.48

Finding the Fourth Proportional to 54,319.14, 81,458.73 and 18,771.48

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Solution

The fourth proportional to 54,319.14, 81,458.73 and 18,771.48 is: 28,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.14 : 81,458.73 = 18,771.48 : x
  2. Step 2: Convert to fraction form
    54,319.14/81,458.73 = 18,771.48/x
  3. Step 3: Cross multiply
    54,319.14x = 81,458.73 × 18,771.48
  4. Step 4: Simplify right side
    54,319.14x = 1,529,100,921.02
  5. Step 5: Solve for x
    x = 1,529,100,921.02/54,319.14
  6. Step 6: Final answer
    x = 28,150.32

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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.