Home / 49,622.10-74,379.69-20,024.70

Finding the Fourth Proportional to 49,622.10, 74,379.69 and 20,024.70

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Solution

The fourth proportional to 49,622.10, 74,379.69 and 20,024.70 is: 30,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,622.10 : 74,379.69 = 20,024.70 : x
  2. Step 2: Convert to fraction form
    49,622.10/74,379.69 = 20,024.70/x
  3. Step 3: Cross multiply
    49,622.10x = 74,379.69 × 20,024.70
  4. Step 4: Simplify right side
    49,622.10x = 1,489,430,978.34
  5. Step 5: Solve for x
    x = 1,489,430,978.34/49,622.10
  6. Step 6: Final answer
    x = 30,015.48

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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.