Home / 49,636.18-74,456.70-20,050.30

Finding the Fourth Proportional to 49,636.18, 74,456.70 and 20,050.30

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Solution

The fourth proportional to 49,636.18, 74,456.70 and 20,050.30 is: 30,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,636.18 : 74,456.70 = 20,050.30 : x
  2. Step 2: Convert to fraction form
    49,636.18/74,456.70 = 20,050.30/x
  3. Step 3: Cross multiply
    49,636.18x = 74,456.70 × 20,050.30
  4. Step 4: Simplify right side
    49,636.18x = 1,492,879,172.01
  5. Step 5: Solve for x
    x = 1,492,879,172.01/49,636.18
  6. Step 6: Final answer
    x = 30,076.43

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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.