Home / 30,992.92-42,768.48-16,845.66

Finding the Fourth Proportional to 30,992.92, 42,768.48 and 16,845.66

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Solution

The fourth proportional to 30,992.92, 42,768.48 and 16,845.66 is: 23,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.92 : 42,768.48 = 16,845.66 : x
  2. Step 2: Convert to fraction form
    30,992.92/42,768.48 = 16,845.66/x
  3. Step 3: Cross multiply
    30,992.92x = 42,768.48 × 16,845.66
  4. Step 4: Simplify right side
    30,992.92x = 720,463,272.80
  5. Step 5: Solve for x
    x = 720,463,272.80/30,992.92
  6. Step 6: Final answer
    x = 23,246.06

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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.