Home / 38,318.72-57,477.42-17,243.85

Finding the Fourth Proportional to 38,318.72, 57,477.42 and 17,243.85

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Solution

The fourth proportional to 38,318.72, 57,477.42 and 17,243.85 is: 25,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.72 : 57,477.42 = 17,243.85 : x
  2. Step 2: Convert to fraction form
    38,318.72/57,477.42 = 17,243.85/x
  3. Step 3: Cross multiply
    38,318.72x = 57,477.42 × 17,243.85
  4. Step 4: Simplify right side
    38,318.72x = 991,132,008.87
  5. Step 5: Solve for x
    x = 991,132,008.87/38,318.72
  6. Step 6: Final answer
    x = 25,865.48

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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.