Home / 33,043.64-45,638.07-21,763.55

Finding the Fourth Proportional to 33,043.64, 45,638.07 and 21,763.55

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Solution

The fourth proportional to 33,043.64, 45,638.07 and 21,763.55 is: 30,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,043.64 : 45,638.07 = 21,763.55 : x
  2. Step 2: Convert to fraction form
    33,043.64/45,638.07 = 21,763.55/x
  3. Step 3: Cross multiply
    33,043.64x = 45,638.07 × 21,763.55
  4. Step 4: Simplify right side
    33,043.64x = 993,246,418.35
  5. Step 5: Solve for x
    x = 993,246,418.35/33,043.64
  6. Step 6: Final answer
    x = 30,058.63

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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.