Home / 38,371.36-57,541.92-18,644.08

Finding the Fourth Proportional to 38,371.36, 57,541.92 and 18,644.08

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Solution

The fourth proportional to 38,371.36, 57,541.92 and 18,644.08 is: 27,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371.36 : 57,541.92 = 18,644.08 : x
  2. Step 2: Convert to fraction form
    38,371.36/57,541.92 = 18,644.08/x
  3. Step 3: Cross multiply
    38,371.36x = 57,541.92 × 18,644.08
  4. Step 4: Simplify right side
    38,371.36x = 1,072,816,159.83
  5. Step 5: Solve for x
    x = 1,072,816,159.83/38,371.36
  6. Step 6: Final answer
    x = 27,958.77

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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.