Home / 33,044.64-45,639.45-21,764.55

Finding the Fourth Proportional to 33,044.64, 45,639.45 and 21,764.55

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Solution

The fourth proportional to 33,044.64, 45,639.45 and 21,764.55 is: 30,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,044.64 : 45,639.45 = 21,764.55 : x
  2. Step 2: Convert to fraction form
    33,044.64/45,639.45 = 21,764.55/x
  3. Step 3: Cross multiply
    33,044.64x = 45,639.45 × 21,764.55
  4. Step 4: Simplify right side
    33,044.64x = 993,322,091.50
  5. Step 5: Solve for x
    x = 993,322,091.50/33,044.64
  6. Step 6: Final answer
    x = 30,060.01

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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.