Home / 35,439.22-53,105.22-21,383.60

Finding the Fourth Proportional to 35,439.22, 53,105.22 and 21,383.60

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Solution

The fourth proportional to 35,439.22, 53,105.22 and 21,383.60 is: 32,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.22 : 53,105.22 = 21,383.60 : x
  2. Step 2: Convert to fraction form
    35,439.22/53,105.22 = 21,383.60/x
  3. Step 3: Cross multiply
    35,439.22x = 53,105.22 × 21,383.60
  4. Step 4: Simplify right side
    35,439.22x = 1,135,580,516.87
  5. Step 5: Solve for x
    x = 1,135,580,516.87/35,439.22
  6. Step 6: Final answer
    x = 32,043.04

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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.