Home / 39,938.38-55,114.61-22,033.54

Finding the Fourth Proportional to 39,938.38, 55,114.61 and 22,033.54

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Solution

The fourth proportional to 39,938.38, 55,114.61 and 22,033.54 is: 30,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.38 : 55,114.61 = 22,033.54 : x
  2. Step 2: Convert to fraction form
    39,938.38/55,114.61 = 22,033.54/x
  3. Step 3: Cross multiply
    39,938.38x = 55,114.61 × 22,033.54
  4. Step 4: Simplify right side
    39,938.38x = 1,214,369,578.28
  5. Step 5: Solve for x
    x = 1,214,369,578.28/39,938.38
  6. Step 6: Final answer
    x = 30,406.08

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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.