Home / 30,993.32-42,770.66-16,846.20

Finding the Fourth Proportional to 30,993.32, 42,770.66 and 16,846.20

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Solution

The fourth proportional to 30,993.32, 42,770.66 and 16,846.20 is: 23,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,993.32 : 42,770.66 = 16,846.20 : x
  2. Step 2: Convert to fraction form
    30,993.32/42,770.66 = 16,846.20/x
  3. Step 3: Cross multiply
    30,993.32x = 42,770.66 × 16,846.20
  4. Step 4: Simplify right side
    30,993.32x = 720,523,092.49
  5. Step 5: Solve for x
    x = 720,523,092.49/30,993.32
  6. Step 6: Final answer
    x = 23,247.69

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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.