Home / 39,797.22-54,921.60-21,893.58

Finding the Fourth Proportional to 39,797.22, 54,921.60 and 21,893.58

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Solution

The fourth proportional to 39,797.22, 54,921.60 and 21,893.58 is: 30,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,797.22 : 54,921.60 = 21,893.58 : x
  2. Step 2: Convert to fraction form
    39,797.22/54,921.60 = 21,893.58/x
  3. Step 3: Cross multiply
    39,797.22x = 54,921.60 × 21,893.58
  4. Step 4: Simplify right side
    39,797.22x = 1,202,430,443.33
  5. Step 5: Solve for x
    x = 1,202,430,443.33/39,797.22
  6. Step 6: Final answer
    x = 30,213.93

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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.