Home / 30,160.97-41,620.26-16,731.95

Finding the Fourth Proportional to 30,160.97, 41,620.26 and 16,731.95

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Solution

The fourth proportional to 30,160.97, 41,620.26 and 16,731.95 is: 23,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.97 : 41,620.26 = 16,731.95 : x
  2. Step 2: Convert to fraction form
    30,160.97/41,620.26 = 16,731.95/x
  3. Step 3: Cross multiply
    30,160.97x = 41,620.26 × 16,731.95
  4. Step 4: Simplify right side
    30,160.97x = 696,388,109.31
  5. Step 5: Solve for x
    x = 696,388,109.31/30,160.97
  6. Step 6: Final answer
    x = 23,089.05

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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.