Home / 31,845.48-43,939.62-19,270.12

Finding the Fourth Proportional to 31,845.48, 43,939.62 and 19,270.12

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Solution

The fourth proportional to 31,845.48, 43,939.62 and 19,270.12 is: 26,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.48 : 43,939.62 = 19,270.12 : x
  2. Step 2: Convert to fraction form
    31,845.48/43,939.62 = 19,270.12/x
  3. Step 3: Cross multiply
    31,845.48x = 43,939.62 × 19,270.12
  4. Step 4: Simplify right side
    31,845.48x = 846,721,750.15
  5. Step 5: Solve for x
    x = 846,721,750.15/31,845.48
  6. Step 6: Final answer
    x = 26,588.44

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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.