Home / 33,002.98-45,540.03-21,073.30

Finding the Fourth Proportional to 33,002.98, 45,540.03 and 21,073.30

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Solution

The fourth proportional to 33,002.98, 45,540.03 and 21,073.30 is: 29,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,002.98 : 45,540.03 = 21,073.30 : x
  2. Step 2: Convert to fraction form
    33,002.98/45,540.03 = 21,073.30/x
  3. Step 3: Cross multiply
    33,002.98x = 45,540.03 × 21,073.30
  4. Step 4: Simplify right side
    33,002.98x = 959,678,714.20
  5. Step 5: Solve for x
    x = 959,678,714.20/33,002.98
  6. Step 6: Final answer
    x = 29,078.55

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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.