Home / 30,604.41-42,193.49-19,975.59

Finding the Fourth Proportional to 30,604.41, 42,193.49 and 19,975.59

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Solution

The fourth proportional to 30,604.41, 42,193.49 and 19,975.59 is: 27,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.41 : 42,193.49 = 19,975.59 : x
  2. Step 2: Convert to fraction form
    30,604.41/42,193.49 = 19,975.59/x
  3. Step 3: Cross multiply
    30,604.41x = 42,193.49 × 19,975.59
  4. Step 4: Simplify right side
    30,604.41x = 842,839,757.03
  5. Step 5: Solve for x
    x = 842,839,757.03/30,604.41
  6. Step 6: Final answer
    x = 27,539.81

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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.