Home / 39,848.67-54,991.26-21,945.06

Finding the Fourth Proportional to 39,848.67, 54,991.26 and 21,945.06

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Solution

The fourth proportional to 39,848.67, 54,991.26 and 21,945.06 is: 30,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.67 : 54,991.26 = 21,945.06 : x
  2. Step 2: Convert to fraction form
    39,848.67/54,991.26 = 21,945.06/x
  3. Step 3: Cross multiply
    39,848.67x = 54,991.26 × 21,945.06
  4. Step 4: Simplify right side
    39,848.67x = 1,206,786,500.18
  5. Step 5: Solve for x
    x = 1,206,786,500.18/39,848.67
  6. Step 6: Final answer
    x = 30,284.24

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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.