Home / 30,629.54-42,270.86-17,201.16

Finding the Fourth Proportional to 30,629.54, 42,270.86 and 17,201.16

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Solution

The fourth proportional to 30,629.54, 42,270.86 and 17,201.16 is: 23,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.54 : 42,270.86 = 17,201.16 : x
  2. Step 2: Convert to fraction form
    30,629.54/42,270.86 = 17,201.16/x
  3. Step 3: Cross multiply
    30,629.54x = 42,270.86 × 17,201.16
  4. Step 4: Simplify right side
    30,629.54x = 727,107,869.20
  5. Step 5: Solve for x
    x = 727,107,869.20/30,629.54
  6. Step 6: Final answer
    x = 23,738.78

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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.