Home / 81,486.26-122,283.60-33,494.22

Finding the Fourth Proportional to 81,486.26, 122,283.60 and 33,494.22

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Solution

The fourth proportional to 81,486.26, 122,283.60 and 33,494.22 is: 50,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,486.26 : 122,283.60 = 33,494.22 : x
  2. Step 2: Convert to fraction form
    81,486.26/122,283.60 = 33,494.22/x
  3. Step 3: Cross multiply
    81,486.26x = 122,283.60 × 33,494.22
  4. Step 4: Simplify right side
    81,486.26x = 4,095,793,800.79
  5. Step 5: Solve for x
    x = 4,095,793,800.79/81,486.26
  6. Step 6: Final answer
    x = 50,263.61

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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.