Home / 30,992.57-42,767.93-16,845.29

Finding the Fourth Proportional to 30,992.57, 42,767.93 and 16,845.29

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Solution

The fourth proportional to 30,992.57, 42,767.93 and 16,845.29 is: 23,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.57 : 42,767.93 = 16,845.29 : x
  2. Step 2: Convert to fraction form
    30,992.57/42,767.93 = 16,845.29/x
  3. Step 3: Cross multiply
    30,992.57x = 42,767.93 × 16,845.29
  4. Step 4: Simplify right side
    30,992.57x = 720,438,183.55
  5. Step 5: Solve for x
    x = 720,438,183.55/30,992.57
  6. Step 6: Final answer
    x = 23,245.51

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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.