Home / 30,629.22-42,269.34-17,202.84

Finding the Fourth Proportional to 30,629.22, 42,269.34 and 17,202.84

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Solution

The fourth proportional to 30,629.22, 42,269.34 and 17,202.84 is: 23,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.22 : 42,269.34 = 17,202.84 : x
  2. Step 2: Convert to fraction form
    30,629.22/42,269.34 = 17,202.84/x
  3. Step 3: Cross multiply
    30,629.22x = 42,269.34 × 17,202.84
  4. Step 4: Simplify right side
    30,629.22x = 727,152,481.58
  5. Step 5: Solve for x
    x = 727,152,481.58/30,629.22
  6. Step 6: Final answer
    x = 23,740.49

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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.