Home / 30,169.59-41,634.32-16,742.09

Finding the Fourth Proportional to 30,169.59, 41,634.32 and 16,742.09

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Solution

The fourth proportional to 30,169.59, 41,634.32 and 16,742.09 is: 23,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.59 : 41,634.32 = 16,742.09 : x
  2. Step 2: Convert to fraction form
    30,169.59/41,634.32 = 16,742.09/x
  3. Step 3: Cross multiply
    30,169.59x = 41,634.32 × 16,742.09
  4. Step 4: Simplify right side
    30,169.59x = 697,045,318.71
  5. Step 5: Solve for x
    x = 697,045,318.71/30,169.59
  6. Step 6: Final answer
    x = 23,104.24

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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.