Home / 57,022.67-85,512.72-19,572.11

Finding the Fourth Proportional to 57,022.67, 85,512.72 and 19,572.11

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Solution

The fourth proportional to 57,022.67, 85,512.72 and 19,572.11 is: 29,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.67 : 85,512.72 = 19,572.11 : x
  2. Step 2: Convert to fraction form
    57,022.67/85,512.72 = 19,572.11/x
  3. Step 3: Cross multiply
    57,022.67x = 85,512.72 × 19,572.11
  4. Step 4: Simplify right side
    57,022.67x = 1,673,664,362.24
  5. Step 5: Solve for x
    x = 1,673,664,362.24/57,022.67
  6. Step 6: Final answer
    x = 29,350.86

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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.