Home / 20,160.70-30,204.60-16,442.80

Finding the Fourth Proportional to 20,160.70, 30,204.60 and 16,442.80

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Solution

The fourth proportional to 20,160.70, 30,204.60 and 16,442.80 is: 24,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.70 : 30,204.60 = 16,442.80 : x
  2. Step 2: Convert to fraction form
    20,160.70/30,204.60 = 16,442.80/x
  3. Step 3: Cross multiply
    20,160.70x = 30,204.60 × 16,442.80
  4. Step 4: Simplify right side
    20,160.70x = 496,648,196.88
  5. Step 5: Solve for x
    x = 496,648,196.88/20,160.70
  6. Step 6: Final answer
    x = 24,634.47

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1.5x scale

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.