Home / 30,269.30-41,770.20-16,840.44

Finding the Fourth Proportional to 30,269.30, 41,770.20 and 16,840.44

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Solution

The fourth proportional to 30,269.30, 41,770.20 and 16,840.44 is: 23,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.30 : 41,770.20 = 16,840.44 : x
  2. Step 2: Convert to fraction form
    30,269.30/41,770.20 = 16,840.44/x
  3. Step 3: Cross multiply
    30,269.30x = 41,770.20 × 16,840.44
  4. Step 4: Simplify right side
    30,269.30x = 703,428,546.89
  5. Step 5: Solve for x
    x = 703,428,546.89/30,269.30
  6. Step 6: Final answer
    x = 23,239.01

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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.