Home / 35,221.87-48,611.16-21,797.45

Finding the Fourth Proportional to 35,221.87, 48,611.16 and 21,797.45

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Solution

The fourth proportional to 35,221.87, 48,611.16 and 21,797.45 is: 30,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.87 : 48,611.16 = 21,797.45 : x
  2. Step 2: Convert to fraction form
    35,221.87/48,611.16 = 21,797.45/x
  3. Step 3: Cross multiply
    35,221.87x = 48,611.16 × 21,797.45
  4. Step 4: Simplify right side
    35,221.87x = 1,059,599,268.78
  5. Step 5: Solve for x
    x = 1,059,599,268.78/35,221.87
  6. Step 6: Final answer
    x = 30,083.56

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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.