Home / 49,812.72-68,735.84-29,665.60

Finding the Fourth Proportional to 49,812.72, 68,735.84 and 29,665.60

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Solution

The fourth proportional to 49,812.72, 68,735.84 and 29,665.60 is: 40,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,812.72 : 68,735.84 = 29,665.60 : x
  2. Step 2: Convert to fraction form
    49,812.72/68,735.84 = 29,665.60/x
  3. Step 3: Cross multiply
    49,812.72x = 68,735.84 × 29,665.60
  4. Step 4: Simplify right side
    49,812.72x = 2,039,089,935.10
  5. Step 5: Solve for x
    x = 2,039,089,935.10/49,812.72
  6. Step 6: Final answer
    x = 40,935.13

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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.