Home / 57,212.29-85,706.70-27,183.79

Finding the Fourth Proportional to 57,212.29, 85,706.70 and 27,183.79

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Solution

The fourth proportional to 57,212.29, 85,706.70 and 27,183.79 is: 40,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.29 : 85,706.70 = 27,183.79 : x
  2. Step 2: Convert to fraction form
    57,212.29/85,706.70 = 27,183.79/x
  3. Step 3: Cross multiply
    57,212.29x = 85,706.70 × 27,183.79
  4. Step 4: Simplify right side
    57,212.29x = 2,329,832,788.09
  5. Step 5: Solve for x
    x = 2,329,832,788.09/57,212.29
  6. Step 6: Final answer
    x = 40,722.60

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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.