Home / 31,993.84-47,997.82-12,272.41

Finding the Fourth Proportional to 31,993.84, 47,997.82 and 12,272.41

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Solution

The fourth proportional to 31,993.84, 47,997.82 and 12,272.41 is: 18,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993.84 : 47,997.82 = 12,272.41 : x
  2. Step 2: Convert to fraction form
    31,993.84/47,997.82 = 12,272.41/x
  3. Step 3: Cross multiply
    31,993.84x = 47,997.82 × 12,272.41
  4. Step 4: Simplify right side
    31,993.84x = 589,048,932.45
  5. Step 5: Solve for x
    x = 589,048,932.45/31,993.84
  6. Step 6: Final answer
    x = 18,411.33

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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.