Home / 54,094.30-81,083.94-31,918.12

Finding the Fourth Proportional to 54,094.30, 81,083.94 and 31,918.12

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Solution

The fourth proportional to 54,094.30, 81,083.94 and 31,918.12 is: 47,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,094.30 : 81,083.94 = 31,918.12 : x
  2. Step 2: Convert to fraction form
    54,094.30/81,083.94 = 31,918.12/x
  3. Step 3: Cross multiply
    54,094.30x = 81,083.94 × 31,918.12
  4. Step 4: Simplify right side
    54,094.30x = 2,588,046,926.99
  5. Step 5: Solve for x
    x = 2,588,046,926.99/54,094.30
  6. Step 6: Final answer
    x = 47,843.25

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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.