Home / 29,825.78-41,129.06-19,750.55

Finding the Fourth Proportional to 29,825.78, 41,129.06 and 19,750.55

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Solution

The fourth proportional to 29,825.78, 41,129.06 and 19,750.55 is: 27,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,825.78 : 41,129.06 = 19,750.55 : x
  2. Step 2: Convert to fraction form
    29,825.78/41,129.06 = 19,750.55/x
  3. Step 3: Cross multiply
    29,825.78x = 41,129.06 × 19,750.55
  4. Step 4: Simplify right side
    29,825.78x = 812,321,251.58
  5. Step 5: Solve for x
    x = 812,321,251.58/29,825.78
  6. Step 6: Final answer
    x = 27,235.55

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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.