Home / 30,171.35-41,636.62-16,742.59

Finding the Fourth Proportional to 30,171.35, 41,636.62 and 16,742.59

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Solution

The fourth proportional to 30,171.35, 41,636.62 and 16,742.59 is: 23,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.35 : 41,636.62 = 16,742.59 : x
  2. Step 2: Convert to fraction form
    30,171.35/41,636.62 = 16,742.59/x
  3. Step 3: Cross multiply
    30,171.35x = 41,636.62 × 16,742.59
  4. Step 4: Simplify right side
    30,171.35x = 697,104,857.65
  5. Step 5: Solve for x
    x = 697,104,857.65/30,171.35
  6. Step 6: Final answer
    x = 23,104.86

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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.