Home / 33,380.88-46,065.48-18,273.60

Finding the Fourth Proportional to 33,380.88, 46,065.48 and 18,273.60

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Solution

The fourth proportional to 33,380.88, 46,065.48 and 18,273.60 is: 25,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,380.88 : 46,065.48 = 18,273.60 : x
  2. Step 2: Convert to fraction form
    33,380.88/46,065.48 = 18,273.60/x
  3. Step 3: Cross multiply
    33,380.88x = 46,065.48 × 18,273.60
  4. Step 4: Simplify right side
    33,380.88x = 841,782,155.33
  5. Step 5: Solve for x
    x = 841,782,155.33/33,380.88
  6. Step 6: Final answer
    x = 25,217.49

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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.