Home / 38,399.40-57,652.85-19,692.65

Finding the Fourth Proportional to 38,399.40, 57,652.85 and 19,692.65

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Solution

The fourth proportional to 38,399.40, 57,652.85 and 19,692.65 is: 29,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.40 : 57,652.85 = 19,692.65 : x
  2. Step 2: Convert to fraction form
    38,399.40/57,652.85 = 19,692.65/x
  3. Step 3: Cross multiply
    38,399.40x = 57,652.85 × 19,692.65
  4. Step 4: Simplify right side
    38,399.40x = 1,135,337,589.92
  5. Step 5: Solve for x
    x = 1,135,337,589.92/38,399.40
  6. Step 6: Final answer
    x = 29,566.55

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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.