Home / 45,305.35-67,942.61-17,218.65

Finding the Fourth Proportional to 45,305.35, 67,942.61 and 17,218.65

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Solution

The fourth proportional to 45,305.35, 67,942.61 and 17,218.65 is: 25,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.35 : 67,942.61 = 17,218.65 : x
  2. Step 2: Convert to fraction form
    45,305.35/67,942.61 = 17,218.65/x
  3. Step 3: Cross multiply
    45,305.35x = 67,942.61 × 17,218.65
  4. Step 4: Simplify right side
    45,305.35x = 1,169,880,021.68
  5. Step 5: Solve for x
    x = 1,169,880,021.68/45,305.35
  6. Step 6: Final answer
    x = 25,822.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.