Home / 40,676.16-56,165.76-32,692.80

Finding the Fourth Proportional to 40,676.16, 56,165.76 and 32,692.80

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Solution

The fourth proportional to 40,676.16, 56,165.76 and 32,692.80 is: 45,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,676.16 : 56,165.76 = 32,692.80 : x
  2. Step 2: Convert to fraction form
    40,676.16/56,165.76 = 32,692.80/x
  3. Step 3: Cross multiply
    40,676.16x = 56,165.76 × 32,692.80
  4. Step 4: Simplify right side
    40,676.16x = 1,836,215,958.53
  5. Step 5: Solve for x
    x = 1,836,215,958.53/40,676.16
  6. Step 6: Final answer
    x = 45,142.31

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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.