Home / 37,622.75-51,918-20,626.62

Finding the Fourth Proportional to 37,622.75, 51,918 and 20,626.62

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Solution

The fourth proportional to 37,622.75, 51,918 and 20,626.62 is: 28,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,622.75 : 51,918 = 20,626.62 : x
  2. Step 2: Convert to fraction form
    37,622.75/51,918 = 20,626.62/x
  3. Step 3: Cross multiply
    37,622.75x = 51,918 × 20,626.62
  4. Step 4: Simplify right side
    37,622.75x = 1,070,892,857.16
  5. Step 5: Solve for x
    x = 1,070,892,857.16/37,622.75
  6. Step 6: Final answer
    x = 28,463.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.