Home / 36,692.36-55,037.82-8,990.36

Finding the Fourth Proportional to 36,692.36, 55,037.82 and 8,990.36

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Solution

The fourth proportional to 36,692.36, 55,037.82 and 8,990.36 is: 13,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,692.36 : 55,037.82 = 8,990.36 : x
  2. Step 2: Convert to fraction form
    36,692.36/55,037.82 = 8,990.36/x
  3. Step 3: Cross multiply
    36,692.36x = 55,037.82 × 8,990.36
  4. Step 4: Simplify right side
    36,692.36x = 494,809,815.42
  5. Step 5: Solve for x
    x = 494,809,815.42/36,692.36
  6. Step 6: Final answer
    x = 13,485.36

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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.