Home / 35,081.32-48,416.36-19,977.60

Finding the Fourth Proportional to 35,081.32, 48,416.36 and 19,977.60

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Solution

The fourth proportional to 35,081.32, 48,416.36 and 19,977.60 is: 27,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,081.32 : 48,416.36 = 19,977.60 : x
  2. Step 2: Convert to fraction form
    35,081.32/48,416.36 = 19,977.60/x
  3. Step 3: Cross multiply
    35,081.32x = 48,416.36 × 19,977.60
  4. Step 4: Simplify right side
    35,081.32x = 967,242,673.54
  5. Step 5: Solve for x
    x = 967,242,673.54/35,081.32
  6. Step 6: Final answer
    x = 27,571.44

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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.