Home / 39,848.27-54,989.42-21,943.22

Finding the Fourth Proportional to 39,848.27, 54,989.42 and 21,943.22

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Solution

The fourth proportional to 39,848.27, 54,989.42 and 21,943.22 is: 30,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.27 : 54,989.42 = 21,943.22 : x
  2. Step 2: Convert to fraction form
    39,848.27/54,989.42 = 21,943.22/x
  3. Step 3: Cross multiply
    39,848.27x = 54,989.42 × 21,943.22
  4. Step 4: Simplify right side
    39,848.27x = 1,206,644,556.07
  5. Step 5: Solve for x
    x = 1,206,644,556.07/39,848.27
  6. Step 6: Final answer
    x = 30,280.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.