Home / 55,304.33-83,039.57-31,638.60

Finding the Fourth Proportional to 55,304.33, 83,039.57 and 31,638.60

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Solution

The fourth proportional to 55,304.33, 83,039.57 and 31,638.60 is: 47,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304.33 : 83,039.57 = 31,638.60 : x
  2. Step 2: Convert to fraction form
    55,304.33/83,039.57 = 31,638.60/x
  3. Step 3: Cross multiply
    55,304.33x = 83,039.57 × 31,638.60
  4. Step 4: Simplify right side
    55,304.33x = 2,627,255,324.20
  5. Step 5: Solve for x
    x = 2,627,255,324.20/55,304.33
  6. Step 6: Final answer
    x = 47,505.42

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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.