Home / 35,252.75-48,647.90-20,144.45

Finding the Fourth Proportional to 35,252.75, 48,647.90 and 20,144.45

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Solution

The fourth proportional to 35,252.75, 48,647.90 and 20,144.45 is: 27,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,252.75 : 48,647.90 = 20,144.45 : x
  2. Step 2: Convert to fraction form
    35,252.75/48,647.90 = 20,144.45/x
  3. Step 3: Cross multiply
    35,252.75x = 48,647.90 × 20,144.45
  4. Step 4: Simplify right side
    35,252.75x = 979,985,361.14
  5. Step 5: Solve for x
    x = 979,985,361.14/35,252.75
  6. Step 6: Final answer
    x = 27,798.83

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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.