Home / 54,974.27-82,406.01-21,681.47

Finding the Fourth Proportional to 54,974.27, 82,406.01 and 21,681.47

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Solution

The fourth proportional to 54,974.27, 82,406.01 and 21,681.47 is: 32,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,974.27 : 82,406.01 = 21,681.47 : x
  2. Step 2: Convert to fraction form
    54,974.27/82,406.01 = 21,681.47/x
  3. Step 3: Cross multiply
    54,974.27x = 82,406.01 × 21,681.47
  4. Step 4: Simplify right side
    54,974.27x = 1,786,683,433.63
  5. Step 5: Solve for x
    x = 1,786,683,433.63/54,974.27
  6. Step 6: Final answer
    x = 32,500.36

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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.