Home / 35,121.56-48,466.21-20,017.49

Finding the Fourth Proportional to 35,121.56, 48,466.21 and 20,017.49

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Solution

The fourth proportional to 35,121.56, 48,466.21 and 20,017.49 is: 27,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.56 : 48,466.21 = 20,017.49 : x
  2. Step 2: Convert to fraction form
    35,121.56/48,466.21 = 20,017.49/x
  3. Step 3: Cross multiply
    35,121.56x = 48,466.21 × 20,017.49
  4. Step 4: Simplify right side
    35,121.56x = 970,171,874.01
  5. Step 5: Solve for x
    x = 970,171,874.01/35,121.56
  6. Step 6: Final answer
    x = 27,623.26

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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.