Home / 55,020.96-82,543.62-19,963.38

Finding the Fourth Proportional to 55,020.96, 82,543.62 and 19,963.38

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Solution

The fourth proportional to 55,020.96, 82,543.62 and 19,963.38 is: 29,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.96 : 82,543.62 = 19,963.38 : x
  2. Step 2: Convert to fraction form
    55,020.96/82,543.62 = 19,963.38/x
  3. Step 3: Cross multiply
    55,020.96x = 82,543.62 × 19,963.38
  4. Step 4: Simplify right side
    55,020.96x = 1,647,849,652.64
  5. Step 5: Solve for x
    x = 1,647,849,652.64/55,020.96
  6. Step 6: Final answer
    x = 29,949.49

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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.