Home / 30,976.41-42,747.44-16,829.25

Finding the Fourth Proportional to 30,976.41, 42,747.44 and 16,829.25

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Solution

The fourth proportional to 30,976.41, 42,747.44 and 16,829.25 is: 23,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.41 : 42,747.44 = 16,829.25 : x
  2. Step 2: Convert to fraction form
    30,976.41/42,747.44 = 16,829.25/x
  3. Step 3: Cross multiply
    30,976.41x = 42,747.44 × 16,829.25
  4. Step 4: Simplify right side
    30,976.41x = 719,407,396.69
  5. Step 5: Solve for x
    x = 719,407,396.69/30,976.41
  6. Step 6: Final answer
    x = 23,224.36

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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.