Home / 45,081.36-67,480.20-30,958.68

Finding the Fourth Proportional to 45,081.36, 67,480.20 and 30,958.68

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Solution

The fourth proportional to 45,081.36, 67,480.20 and 30,958.68 is: 46,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,081.36 : 67,480.20 = 30,958.68 : x
  2. Step 2: Convert to fraction form
    45,081.36/67,480.20 = 30,958.68/x
  3. Step 3: Cross multiply
    45,081.36x = 67,480.20 × 30,958.68
  4. Step 4: Simplify right side
    45,081.36x = 2,089,097,918.14
  5. Step 5: Solve for x
    x = 2,089,097,918.14/45,081.36
  6. Step 6: Final answer
    x = 46,340.61

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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.