Home / 31,273.26-43,136.34-22,325.82

Finding the Fourth Proportional to 31,273.26, 43,136.34 and 22,325.82

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Solution

The fourth proportional to 31,273.26, 43,136.34 and 22,325.82 is: 30,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.26 : 43,136.34 = 22,325.82 : x
  2. Step 2: Convert to fraction form
    31,273.26/43,136.34 = 22,325.82/x
  3. Step 3: Cross multiply
    31,273.26x = 43,136.34 × 22,325.82
  4. Step 4: Simplify right side
    31,273.26x = 963,054,162.30
  5. Step 5: Solve for x
    x = 963,054,162.30/31,273.26
  6. Step 6: Final answer
    x = 30,794.81

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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.