Home / 55,021.43-82,537.61-19,963.82

Finding the Fourth Proportional to 55,021.43, 82,537.61 and 19,963.82

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Solution

The fourth proportional to 55,021.43, 82,537.61 and 19,963.82 is: 29,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.43 : 82,537.61 = 19,963.82 : x
  2. Step 2: Convert to fraction form
    55,021.43/82,537.61 = 19,963.82/x
  3. Step 3: Cross multiply
    55,021.43x = 82,537.61 × 19,963.82
  4. Step 4: Simplify right side
    55,021.43x = 1,647,765,476.76
  5. Step 5: Solve for x
    x = 1,647,765,476.76/55,021.43
  6. Step 6: Final answer
    x = 29,947.71

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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.