Home / 29,906.88-41,228.40-20,926.56

Finding the Fourth Proportional to 29,906.88, 41,228.40 and 20,926.56

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Solution

The fourth proportional to 29,906.88, 41,228.40 and 20,926.56 is: 28,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,906.88 : 41,228.40 = 20,926.56 : x
  2. Step 2: Convert to fraction form
    29,906.88/41,228.40 = 20,926.56/x
  3. Step 3: Cross multiply
    29,906.88x = 41,228.40 × 20,926.56
  4. Step 4: Simplify right side
    29,906.88x = 862,768,586.30
  5. Step 5: Solve for x
    x = 862,768,586.30/29,906.88
  6. Step 6: Final answer
    x = 28,848.50

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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.