Home / 54,743.34-82,127.32-19,683

Finding the Fourth Proportional to 54,743.34, 82,127.32 and 19,683

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Solution

The fourth proportional to 54,743.34, 82,127.32 and 19,683 is: 29,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.34 : 82,127.32 = 19,683 : x
  2. Step 2: Convert to fraction form
    54,743.34/82,127.32 = 19,683/x
  3. Step 3: Cross multiply
    54,743.34x = 82,127.32 × 19,683
  4. Step 4: Simplify right side
    54,743.34x = 1,616,511,990.35
  5. Step 5: Solve for x
    x = 1,616,511,990.35/54,743.34
  6. Step 6: Final answer
    x = 29,528.92

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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.