Home / 39,231.26-58,872.81-18,456.38

Finding the Fourth Proportional to 39,231.26, 58,872.81 and 18,456.38

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Solution

The fourth proportional to 39,231.26, 58,872.81 and 18,456.38 is: 27,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.26 : 58,872.81 = 18,456.38 : x
  2. Step 2: Convert to fraction form
    39,231.26/58,872.81 = 18,456.38/x
  3. Step 3: Cross multiply
    39,231.26x = 58,872.81 × 18,456.38
  4. Step 4: Simplify right side
    39,231.26x = 1,086,578,953.03
  5. Step 5: Solve for x
    x = 1,086,578,953.03/39,231.26
  6. Step 6: Final answer
    x = 27,696.76

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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.