Home / 20,026.66-30,044.30-5,987.80

Finding the Fourth Proportional to 20,026.66, 30,044.30 and 5,987.80

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Solution

The fourth proportional to 20,026.66, 30,044.30 and 5,987.80 is: 8,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.66 : 30,044.30 = 5,987.80 : x
  2. Step 2: Convert to fraction form
    20,026.66/30,044.30 = 5,987.80/x
  3. Step 3: Cross multiply
    20,026.66x = 30,044.30 × 5,987.80
  4. Step 4: Simplify right side
    20,026.66x = 179,899,259.54
  5. Step 5: Solve for x
    x = 179,899,259.54/20,026.66
  6. Step 6: Final answer
    x = 8,982.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.