Home / 43,486.44-65,208.56-21,273.80

Finding the Fourth Proportional to 43,486.44, 65,208.56 and 21,273.80

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Solution

The fourth proportional to 43,486.44, 65,208.56 and 21,273.80 is: 31,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.44 : 65,208.56 = 21,273.80 : x
  2. Step 2: Convert to fraction form
    43,486.44/65,208.56 = 21,273.80/x
  3. Step 3: Cross multiply
    43,486.44x = 65,208.56 × 21,273.80
  4. Step 4: Simplify right side
    43,486.44x = 1,387,233,863.73
  5. Step 5: Solve for x
    x = 1,387,233,863.73/43,486.44
  6. Step 6: Final answer
    x = 31,900.38

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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.