Home / 57,745.68-79,692.24-40,755.36

Finding the Fourth Proportional to 57,745.68, 79,692.24 and 40,755.36

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Solution

The fourth proportional to 57,745.68, 79,692.24 and 40,755.36 is: 56,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.68 : 79,692.24 = 40,755.36 : x
  2. Step 2: Convert to fraction form
    57,745.68/79,692.24 = 40,755.36/x
  3. Step 3: Cross multiply
    57,745.68x = 79,692.24 × 40,755.36
  4. Step 4: Simplify right side
    57,745.68x = 3,247,885,930.41
  5. Step 5: Solve for x
    x = 3,247,885,930.41/57,745.68
  6. Step 6: Final answer
    x = 56,244.66

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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.