Home / 29,151.78-43,690.75-18,617.73

Finding the Fourth Proportional to 29,151.78, 43,690.75 and 18,617.73

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Solution

The fourth proportional to 29,151.78, 43,690.75 and 18,617.73 is: 27,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.78 : 43,690.75 = 18,617.73 : x
  2. Step 2: Convert to fraction form
    29,151.78/43,690.75 = 18,617.73/x
  3. Step 3: Cross multiply
    29,151.78x = 43,690.75 × 18,617.73
  4. Step 4: Simplify right side
    29,151.78x = 813,422,587.00
  5. Step 5: Solve for x
    x = 813,422,587.00/29,151.78
  6. Step 6: Final answer
    x = 27,903.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.