Home / 49,632.71-74,462.96-20,071.30

Finding the Fourth Proportional to 49,632.71, 74,462.96 and 20,071.30

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Solution

The fourth proportional to 49,632.71, 74,462.96 and 20,071.30 is: 30,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,632.71 : 74,462.96 = 20,071.30 : x
  2. Step 2: Convert to fraction form
    49,632.71/74,462.96 = 20,071.30/x
  3. Step 3: Cross multiply
    49,632.71x = 74,462.96 × 20,071.30
  4. Step 4: Simplify right side
    49,632.71x = 1,494,568,409.05
  5. Step 5: Solve for x
    x = 1,494,568,409.05/49,632.71
  6. Step 6: Final answer
    x = 30,112.57

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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.