Home / 54,683.36-81,968.16-39,654.08

Finding the Fourth Proportional to 54,683.36, 81,968.16 and 39,654.08

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Solution

The fourth proportional to 54,683.36, 81,968.16 and 39,654.08 is: 59,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683.36 : 81,968.16 = 39,654.08 : x
  2. Step 2: Convert to fraction form
    54,683.36/81,968.16 = 39,654.08/x
  3. Step 3: Cross multiply
    54,683.36x = 81,968.16 × 39,654.08
  4. Step 4: Simplify right side
    54,683.36x = 3,250,371,974.09
  5. Step 5: Solve for x
    x = 3,250,371,974.09/54,683.36
  6. Step 6: Final answer
    x = 59,439.87

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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.