Home / 30,944.73-42,703.69-16,797.57

Finding the Fourth Proportional to 30,944.73, 42,703.69 and 16,797.57

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Solution

The fourth proportional to 30,944.73, 42,703.69 and 16,797.57 is: 23,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.73 : 42,703.69 = 16,797.57 : x
  2. Step 2: Convert to fraction form
    30,944.73/42,703.69 = 16,797.57/x
  3. Step 3: Cross multiply
    30,944.73x = 42,703.69 × 16,797.57
  4. Step 4: Simplify right side
    30,944.73x = 717,318,286.80
  5. Step 5: Solve for x
    x = 717,318,286.80/30,944.73
  6. Step 6: Final answer
    x = 23,180.63

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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.