Home / 39,968.34-55,235.44-32,786.76

Finding the Fourth Proportional to 39,968.34, 55,235.44 and 32,786.76

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Solution

The fourth proportional to 39,968.34, 55,235.44 and 32,786.76 is: 45,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.34 : 55,235.44 = 32,786.76 : x
  2. Step 2: Convert to fraction form
    39,968.34/55,235.44 = 32,786.76/x
  3. Step 3: Cross multiply
    39,968.34x = 55,235.44 × 32,786.76
  4. Step 4: Simplify right side
    39,968.34x = 1,810,991,114.77
  5. Step 5: Solve for x
    x = 1,810,991,114.77/39,968.34
  6. Step 6: Final answer
    x = 45,310.64

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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.