Home / 49,735.50-74,624.13-20,174.46

Finding the Fourth Proportional to 49,735.50, 74,624.13 and 20,174.46

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Solution

The fourth proportional to 49,735.50, 74,624.13 and 20,174.46 is: 30,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,735.50 : 74,624.13 = 20,174.46 : x
  2. Step 2: Convert to fraction form
    49,735.50/74,624.13 = 20,174.46/x
  3. Step 3: Cross multiply
    49,735.50x = 74,624.13 × 20,174.46
  4. Step 4: Simplify right side
    49,735.50x = 1,505,501,525.72
  5. Step 5: Solve for x
    x = 1,505,501,525.72/49,735.50
  6. Step 6: Final answer
    x = 30,270.16

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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.