Home / 39,968.98-55,105.95-32,772.40

Finding the Fourth Proportional to 39,968.98, 55,105.95 and 32,772.40

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Solution

The fourth proportional to 39,968.98, 55,105.95 and 32,772.40 is: 45,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.98 : 55,105.95 = 32,772.40 : x
  2. Step 2: Convert to fraction form
    39,968.98/55,105.95 = 32,772.40/x
  3. Step 3: Cross multiply
    39,968.98x = 55,105.95 × 32,772.40
  4. Step 4: Simplify right side
    39,968.98x = 1,805,954,235.78
  5. Step 5: Solve for x
    x = 1,805,954,235.78/39,968.98
  6. Step 6: Final answer
    x = 45,183.90

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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.