Home / 36,331.34-50,137.58-21,991.50

Finding the Fourth Proportional to 36,331.34, 50,137.58 and 21,991.50

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Solution

The fourth proportional to 36,331.34, 50,137.58 and 21,991.50 is: 30,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.34 : 50,137.58 = 21,991.50 : x
  2. Step 2: Convert to fraction form
    36,331.34/50,137.58 = 21,991.50/x
  3. Step 3: Cross multiply
    36,331.34x = 50,137.58 × 21,991.50
  4. Step 4: Simplify right side
    36,331.34x = 1,102,600,645.55
  5. Step 5: Solve for x
    x = 1,102,600,645.55/36,331.34
  6. Step 6: Final answer
    x = 30,348.48

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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.