Home / 35,621.64-53,481.06-18,103.86

Finding the Fourth Proportional to 35,621.64, 53,481.06 and 18,103.86

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Solution

The fourth proportional to 35,621.64, 53,481.06 and 18,103.86 is: 27,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.64 : 53,481.06 = 18,103.86 : x
  2. Step 2: Convert to fraction form
    35,621.64/53,481.06 = 18,103.86/x
  3. Step 3: Cross multiply
    35,621.64x = 53,481.06 × 18,103.86
  4. Step 4: Simplify right side
    35,621.64x = 968,213,622.89
  5. Step 5: Solve for x
    x = 968,213,622.89/35,621.64
  6. Step 6: Final answer
    x = 27,180.49

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1.5x scale

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.