Home / 55,963.40-83,932.78-18,514.60

Finding the Fourth Proportional to 55,963.40, 83,932.78 and 18,514.60

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Solution

The fourth proportional to 55,963.40, 83,932.78 and 18,514.60 is: 27,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.40 : 83,932.78 = 18,514.60 : x
  2. Step 2: Convert to fraction form
    55,963.40/83,932.78 = 18,514.60/x
  3. Step 3: Cross multiply
    55,963.40x = 83,932.78 × 18,514.60
  4. Step 4: Simplify right side
    55,963.40x = 1,553,981,848.59
  5. Step 5: Solve for x
    x = 1,553,981,848.59/55,963.40
  6. Step 6: Final answer
    x = 27,767.82

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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.