Home / 39,936.87-55,113.30-22,032.54

Finding the Fourth Proportional to 39,936.87, 55,113.30 and 22,032.54

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Solution

The fourth proportional to 39,936.87, 55,113.30 and 22,032.54 is: 30,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.87 : 55,113.30 = 22,032.54 : x
  2. Step 2: Convert to fraction form
    39,936.87/55,113.30 = 22,032.54/x
  3. Step 3: Cross multiply
    39,936.87x = 55,113.30 × 22,032.54
  4. Step 4: Simplify right side
    39,936.87x = 1,214,285,986.78
  5. Step 5: Solve for x
    x = 1,214,285,986.78/39,936.87
  6. Step 6: Final answer
    x = 30,405.14

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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.