Home / 35,190.64-48,544.68-21,757.60

Finding the Fourth Proportional to 35,190.64, 48,544.68 and 21,757.60

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Solution

The fourth proportional to 35,190.64, 48,544.68 and 21,757.60 is: 30,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,190.64 : 48,544.68 = 21,757.60 : x
  2. Step 2: Convert to fraction form
    35,190.64/48,544.68 = 21,757.60/x
  3. Step 3: Cross multiply
    35,190.64x = 48,544.68 × 21,757.60
  4. Step 4: Simplify right side
    35,190.64x = 1,056,215,729.57
  5. Step 5: Solve for x
    x = 1,056,215,729.57/35,190.64
  6. Step 6: Final answer
    x = 30,014.11

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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.