Home / 33,783.56-46,637.94-21,215.24

Finding the Fourth Proportional to 33,783.56, 46,637.94 and 21,215.24

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Solution

The fourth proportional to 33,783.56, 46,637.94 and 21,215.24 is: 29,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,783.56 : 46,637.94 = 21,215.24 : x
  2. Step 2: Convert to fraction form
    33,783.56/46,637.94 = 21,215.24/x
  3. Step 3: Cross multiply
    33,783.56x = 46,637.94 × 21,215.24
  4. Step 4: Simplify right side
    33,783.56x = 989,435,090.21
  5. Step 5: Solve for x
    x = 989,435,090.21/33,783.56
  6. Step 6: Final answer
    x = 29,287.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.