Home / 54,550.44-75,286.26-30,678.12

Finding the Fourth Proportional to 54,550.44, 75,286.26 and 30,678.12

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Solution

The fourth proportional to 54,550.44, 75,286.26 and 30,678.12 is: 42,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,550.44 : 75,286.26 = 30,678.12 : x
  2. Step 2: Convert to fraction form
    54,550.44/75,286.26 = 30,678.12/x
  3. Step 3: Cross multiply
    54,550.44x = 75,286.26 × 30,678.12
  4. Step 4: Simplify right side
    54,550.44x = 2,309,640,918.63
  5. Step 5: Solve for x
    x = 2,309,640,918.63/54,550.44
  6. Step 6: Final answer
    x = 42,339.55

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Half scale
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Double scale
Find fourth proportional to 54,551.44, 75,287.64 and 30,679.12
Similar ratio
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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.