Home / 31,722.69-47,605.57-16,942.22

Finding the Fourth Proportional to 31,722.69, 47,605.57 and 16,942.22

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Solution

The fourth proportional to 31,722.69, 47,605.57 and 16,942.22 is: 25,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.69 : 47,605.57 = 16,942.22 : x
  2. Step 2: Convert to fraction form
    31,722.69/47,605.57 = 16,942.22/x
  3. Step 3: Cross multiply
    31,722.69x = 47,605.57 × 16,942.22
  4. Step 4: Simplify right side
    31,722.69x = 806,543,759.78
  5. Step 5: Solve for x
    x = 806,543,759.78/31,722.69
  6. Step 6: Final answer
    x = 25,424.82

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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.