Home / 49,738.64-74,620.60-18,574.16

Finding the Fourth Proportional to 49,738.64, 74,620.60 and 18,574.16

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Solution

The fourth proportional to 49,738.64, 74,620.60 and 18,574.16 is: 27,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.64 : 74,620.60 = 18,574.16 : x
  2. Step 2: Convert to fraction form
    49,738.64/74,620.60 = 18,574.16/x
  3. Step 3: Cross multiply
    49,738.64x = 74,620.60 × 18,574.16
  4. Step 4: Simplify right side
    49,738.64x = 1,386,014,963.70
  5. Step 5: Solve for x
    x = 1,386,014,963.70/49,738.64
  6. Step 6: Final answer
    x = 27,865.96

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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.