Home / 31,692.20-43,756.62-28,324.22

Finding the Fourth Proportional to 31,692.20, 43,756.62 and 28,324.22

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Solution

The fourth proportional to 31,692.20, 43,756.62 and 28,324.22 is: 39,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.20 : 43,756.62 = 28,324.22 : x
  2. Step 2: Convert to fraction form
    31,692.20/43,756.62 = 28,324.22/x
  3. Step 3: Cross multiply
    31,692.20x = 43,756.62 × 28,324.22
  4. Step 4: Simplify right side
    31,692.20x = 1,239,372,131.34
  5. Step 5: Solve for x
    x = 1,239,372,131.34/31,692.20
  6. Step 6: Final answer
    x = 39,106.54

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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.