Home / 29,101.82-40,122.20-19,012.73

Finding the Fourth Proportional to 29,101.82, 40,122.20 and 19,012.73

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Solution

The fourth proportional to 29,101.82, 40,122.20 and 19,012.73 is: 26,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,101.82 : 40,122.20 = 19,012.73 : x
  2. Step 2: Convert to fraction form
    29,101.82/40,122.20 = 19,012.73/x
  3. Step 3: Cross multiply
    29,101.82x = 40,122.20 × 19,012.73
  4. Step 4: Simplify right side
    29,101.82x = 762,832,402.53
  5. Step 5: Solve for x
    x = 762,832,402.53/29,101.82
  6. Step 6: Final answer
    x = 26,212.54

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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.