Home / 33,236.42-45,851.74-21,130.44

Finding the Fourth Proportional to 33,236.42, 45,851.74 and 21,130.44

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Solution

The fourth proportional to 33,236.42, 45,851.74 and 21,130.44 is: 29,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.42 : 45,851.74 = 21,130.44 : x
  2. Step 2: Convert to fraction form
    33,236.42/45,851.74 = 21,130.44/x
  3. Step 3: Cross multiply
    33,236.42x = 45,851.74 × 21,130.44
  4. Step 4: Simplify right side
    33,236.42x = 968,867,145.55
  5. Step 5: Solve for x
    x = 968,867,145.55/33,236.42
  6. Step 6: Final answer
    x = 29,150.77

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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.