Home / 30,171.07-41,632.68-16,738.84

Finding the Fourth Proportional to 30,171.07, 41,632.68 and 16,738.84

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Solution

The fourth proportional to 30,171.07, 41,632.68 and 16,738.84 is: 23,097.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.07 : 41,632.68 = 16,738.84 : x
  2. Step 2: Convert to fraction form
    30,171.07/41,632.68 = 16,738.84/x
  3. Step 3: Cross multiply
    30,171.07x = 41,632.68 × 16,738.84
  4. Step 4: Simplify right side
    30,171.07x = 696,882,769.29
  5. Step 5: Solve for x
    x = 696,882,769.29/30,171.07
  6. Step 6: Final answer
    x = 23,097.71

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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.