Home / 30,754.73-42,441.68-17,326.20

Finding the Fourth Proportional to 30,754.73, 42,441.68 and 17,326.20

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Solution

The fourth proportional to 30,754.73, 42,441.68 and 17,326.20 is: 23,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,754.73 : 42,441.68 = 17,326.20 : x
  2. Step 2: Convert to fraction form
    30,754.73/42,441.68 = 17,326.20/x
  3. Step 3: Cross multiply
    30,754.73x = 42,441.68 × 17,326.20
  4. Step 4: Simplify right side
    30,754.73x = 735,353,238.49
  5. Step 5: Solve for x
    x = 735,353,238.49/30,754.73
  6. Step 6: Final answer
    x = 23,910.25

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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.