Home / 30,171.56-41,636.12-16,742.70

Finding the Fourth Proportional to 30,171.56, 41,636.12 and 16,742.70

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Solution

The fourth proportional to 30,171.56, 41,636.12 and 16,742.70 is: 23,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.56 : 41,636.12 = 16,742.70 : x
  2. Step 2: Convert to fraction form
    30,171.56/41,636.12 = 16,742.70/x
  3. Step 3: Cross multiply
    30,171.56x = 41,636.12 × 16,742.70
  4. Step 4: Simplify right side
    30,171.56x = 697,100,982.61
  5. Step 5: Solve for x
    x = 697,100,982.61/30,171.56
  6. Step 6: Final answer
    x = 23,104.58

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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.