Home / 29,844.48-41,179.68-20,409.60

Finding the Fourth Proportional to 29,844.48, 41,179.68 and 20,409.60

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Solution

The fourth proportional to 29,844.48, 41,179.68 and 20,409.60 is: 28,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,844.48 : 41,179.68 = 20,409.60 : x
  2. Step 2: Convert to fraction form
    29,844.48/41,179.68 = 20,409.60/x
  3. Step 3: Cross multiply
    29,844.48x = 41,179.68 × 20,409.60
  4. Step 4: Simplify right side
    29,844.48x = 840,460,796.93
  5. Step 5: Solve for x
    x = 840,460,796.93/29,844.48
  6. Step 6: Final answer
    x = 28,161.35

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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.