Home / 29,535.21-40,765.23-18,778.01

Finding the Fourth Proportional to 29,535.21, 40,765.23 and 18,778.01

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Solution

The fourth proportional to 29,535.21, 40,765.23 and 18,778.01 is: 25,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,535.21 : 40,765.23 = 18,778.01 : x
  2. Step 2: Convert to fraction form
    29,535.21/40,765.23 = 18,778.01/x
  3. Step 3: Cross multiply
    29,535.21x = 40,765.23 × 18,778.01
  4. Step 4: Simplify right side
    29,535.21x = 765,489,692.77
  5. Step 5: Solve for x
    x = 765,489,692.77/29,535.21
  6. Step 6: Final answer
    x = 25,917.87

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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.