Home / 39,375.94-54,343.40-22,382.73

Finding the Fourth Proportional to 39,375.94, 54,343.40 and 22,382.73

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Solution

The fourth proportional to 39,375.94, 54,343.40 and 22,382.73 is: 30,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.94 : 54,343.40 = 22,382.73 : x
  2. Step 2: Convert to fraction form
    39,375.94/54,343.40 = 22,382.73/x
  3. Step 3: Cross multiply
    39,375.94x = 54,343.40 × 22,382.73
  4. Step 4: Simplify right side
    39,375.94x = 1,216,353,649.48
  5. Step 5: Solve for x
    x = 1,216,353,649.48/39,375.94
  6. Step 6: Final answer
    x = 30,890.78

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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.