Home / 49,884.54-74,806.16-20,282.28

Finding the Fourth Proportional to 49,884.54, 74,806.16 and 20,282.28

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Solution

The fourth proportional to 49,884.54, 74,806.16 and 20,282.28 is: 30,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,884.54 : 74,806.16 = 20,282.28 : x
  2. Step 2: Convert to fraction form
    49,884.54/74,806.16 = 20,282.28/x
  3. Step 3: Cross multiply
    49,884.54x = 74,806.16 × 20,282.28
  4. Step 4: Simplify right side
    49,884.54x = 1,517,239,381.43
  5. Step 5: Solve for x
    x = 1,517,239,381.43/49,884.54
  6. Step 6: Final answer
    x = 30,415.02

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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.