Home / 38,235.11-52,765.41-21,238.53

Finding the Fourth Proportional to 38,235.11, 52,765.41 and 21,238.53

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Solution

The fourth proportional to 38,235.11, 52,765.41 and 21,238.53 is: 29,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.11 : 52,765.41 = 21,238.53 : x
  2. Step 2: Convert to fraction form
    38,235.11/52,765.41 = 21,238.53/x
  3. Step 3: Cross multiply
    38,235.11x = 52,765.41 × 21,238.53
  4. Step 4: Simplify right side
    38,235.11x = 1,120,659,743.25
  5. Step 5: Solve for x
    x = 1,120,659,743.25/38,235.11
  6. Step 6: Final answer
    x = 29,309.71

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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.