Home / 29,943.68-41,320.14-18,629.60

Finding the Fourth Proportional to 29,943.68, 41,320.14 and 18,629.60

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Solution

The fourth proportional to 29,943.68, 41,320.14 and 18,629.60 is: 25,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,943.68 : 41,320.14 = 18,629.60 : x
  2. Step 2: Convert to fraction form
    29,943.68/41,320.14 = 18,629.60/x
  3. Step 3: Cross multiply
    29,943.68x = 41,320.14 × 18,629.60
  4. Step 4: Simplify right side
    29,943.68x = 769,777,680.14
  5. Step 5: Solve for x
    x = 769,777,680.14/29,943.68
  6. Step 6: Final answer
    x = 25,707.52

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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.