Home / 57,623.70-86,435.55-18,183.84

Finding the Fourth Proportional to 57,623.70, 86,435.55 and 18,183.84

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Solution

The fourth proportional to 57,623.70, 86,435.55 and 18,183.84 is: 27,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,623.70 : 86,435.55 = 18,183.84 : x
  2. Step 2: Convert to fraction form
    57,623.70/86,435.55 = 18,183.84/x
  3. Step 3: Cross multiply
    57,623.70x = 86,435.55 × 18,183.84
  4. Step 4: Simplify right side
    57,623.70x = 1,571,730,211.51
  5. Step 5: Solve for x
    x = 1,571,730,211.51/57,623.70
  6. Step 6: Final answer
    x = 27,275.76

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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.