Home / 23,692.79-35,434.55-21,078.65

Finding the Fourth Proportional to 23,692.79, 35,434.55 and 21,078.65

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Solution

The fourth proportional to 23,692.79, 35,434.55 and 21,078.65 is: 31,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,692.79 : 35,434.55 = 21,078.65 : x
  2. Step 2: Convert to fraction form
    23,692.79/35,434.55 = 21,078.65/x
  3. Step 3: Cross multiply
    23,692.79x = 35,434.55 × 21,078.65
  4. Step 4: Simplify right side
    23,692.79x = 746,912,194.79
  5. Step 5: Solve for x
    x = 746,912,194.79/23,692.79
  6. Step 6: Final answer
    x = 31,524.88

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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.