Home / 55,021.14-82,537.18-19,963.53

Finding the Fourth Proportional to 55,021.14, 82,537.18 and 19,963.53

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Solution

The fourth proportional to 55,021.14, 82,537.18 and 19,963.53 is: 29,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.14 : 82,537.18 = 19,963.53 : x
  2. Step 2: Convert to fraction form
    55,021.14/82,537.18 = 19,963.53/x
  3. Step 3: Cross multiply
    55,021.14x = 82,537.18 × 19,963.53
  4. Step 4: Simplify right side
    55,021.14x = 1,647,733,419.14
  5. Step 5: Solve for x
    x = 1,647,733,419.14/55,021.14
  6. Step 6: Final answer
    x = 29,947.28

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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.