Home / 30,992.04-42,768.76-16,844.84

Finding the Fourth Proportional to 30,992.04, 42,768.76 and 16,844.84

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Solution

The fourth proportional to 30,992.04, 42,768.76 and 16,844.84 is: 23,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.04 : 42,768.76 = 16,844.84 : x
  2. Step 2: Convert to fraction form
    30,992.04/42,768.76 = 16,844.84/x
  3. Step 3: Cross multiply
    30,992.04x = 42,768.76 × 16,844.84
  4. Step 4: Simplify right side
    30,992.04x = 720,432,919.20
  5. Step 5: Solve for x
    x = 720,432,919.20/30,992.04
  6. Step 6: Final answer
    x = 23,245.74

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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.