Home / 30,158.60-41,620.23-16,729.86

Finding the Fourth Proportional to 30,158.60, 41,620.23 and 16,729.86

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Solution

The fourth proportional to 30,158.60, 41,620.23 and 16,729.86 is: 23,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.60 : 41,620.23 = 16,729.86 : x
  2. Step 2: Convert to fraction form
    30,158.60/41,620.23 = 16,729.86/x
  3. Step 3: Cross multiply
    30,158.60x = 41,620.23 × 16,729.86
  4. Step 4: Simplify right side
    30,158.60x = 696,300,766.94
  5. Step 5: Solve for x
    x = 696,300,766.94/30,158.60
  6. Step 6: Final answer
    x = 23,087.97

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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.