Home / 30,480.97-42,062.04-17,049.63

Finding the Fourth Proportional to 30,480.97, 42,062.04 and 17,049.63

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Solution

The fourth proportional to 30,480.97, 42,062.04 and 17,049.63 is: 23,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.97 : 42,062.04 = 17,049.63 : x
  2. Step 2: Convert to fraction form
    30,480.97/42,062.04 = 17,049.63/x
  3. Step 3: Cross multiply
    30,480.97x = 42,062.04 × 17,049.63
  4. Step 4: Simplify right side
    30,480.97x = 717,142,219.05
  5. Step 5: Solve for x
    x = 717,142,219.05/30,480.97
  6. Step 6: Final answer
    x = 23,527.54

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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.