Home / 38,043.88-57,079.30-16,982

Finding the Fourth Proportional to 38,043.88, 57,079.30 and 16,982

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Solution

The fourth proportional to 38,043.88, 57,079.30 and 16,982 is: 25,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.88 : 57,079.30 = 16,982 : x
  2. Step 2: Convert to fraction form
    38,043.88/57,079.30 = 16,982/x
  3. Step 3: Cross multiply
    38,043.88x = 57,079.30 × 16,982
  4. Step 4: Simplify right side
    38,043.88x = 969,320,672.60
  5. Step 5: Solve for x
    x = 969,320,672.60/38,043.88
  6. Step 6: Final answer
    x = 25,479.02

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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.