Home / 39,916.54-55,083.56-22,012.30

Finding the Fourth Proportional to 39,916.54, 55,083.56 and 22,012.30

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Solution

The fourth proportional to 39,916.54, 55,083.56 and 22,012.30 is: 30,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.54 : 55,083.56 = 22,012.30 : x
  2. Step 2: Convert to fraction form
    39,916.54/55,083.56 = 22,012.30/x
  3. Step 3: Cross multiply
    39,916.54x = 55,083.56 × 22,012.30
  4. Step 4: Simplify right side
    39,916.54x = 1,212,515,847.79
  5. Step 5: Solve for x
    x = 1,212,515,847.79/39,916.54
  6. Step 6: Final answer
    x = 30,376.28

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1.5x scale

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.