Home / 30,412.45-41,954.60-19,076.26

Finding the Fourth Proportional to 30,412.45, 41,954.60 and 19,076.26

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Solution

The fourth proportional to 30,412.45, 41,954.60 and 19,076.26 is: 26,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.45 : 41,954.60 = 19,076.26 : x
  2. Step 2: Convert to fraction form
    30,412.45/41,954.60 = 19,076.26/x
  3. Step 3: Cross multiply
    30,412.45x = 41,954.60 × 19,076.26
  4. Step 4: Simplify right side
    30,412.45x = 800,336,648.02
  5. Step 5: Solve for x
    x = 800,336,648.02/30,412.45
  6. Step 6: Final answer
    x = 26,316.09

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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.