Home / 30,736.92-42,418.96-23,169.90

Finding the Fourth Proportional to 30,736.92, 42,418.96 and 23,169.90

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Solution

The fourth proportional to 30,736.92, 42,418.96 and 23,169.90 is: 31,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.92 : 42,418.96 = 23,169.90 : x
  2. Step 2: Convert to fraction form
    30,736.92/42,418.96 = 23,169.90/x
  3. Step 3: Cross multiply
    30,736.92x = 42,418.96 × 23,169.90
  4. Step 4: Simplify right side
    30,736.92x = 982,843,061.30
  5. Step 5: Solve for x
    x = 982,843,061.30/30,736.92
  6. Step 6: Final answer
    x = 31,975.98

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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.