Home / 30,162.10-41,620.62-16,729.96

Finding the Fourth Proportional to 30,162.10, 41,620.62 and 16,729.96

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Solution

The fourth proportional to 30,162.10, 41,620.62 and 16,729.96 is: 23,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.10 : 41,620.62 = 16,729.96 : x
  2. Step 2: Convert to fraction form
    30,162.10/41,620.62 = 16,729.96/x
  3. Step 3: Cross multiply
    30,162.10x = 41,620.62 × 16,729.96
  4. Step 4: Simplify right side
    30,162.10x = 696,311,307.78
  5. Step 5: Solve for x
    x = 696,311,307.78/30,162.10
  6. Step 6: Final answer
    x = 23,085.64

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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.