Home / 55,020.86-82,536.76-19,963.25

Finding the Fourth Proportional to 55,020.86, 82,536.76 and 19,963.25

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Solution

The fourth proportional to 55,020.86, 82,536.76 and 19,963.25 is: 29,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.86 : 82,536.76 = 19,963.25 : x
  2. Step 2: Convert to fraction form
    55,020.86/82,536.76 = 19,963.25/x
  3. Step 3: Cross multiply
    55,020.86x = 82,536.76 × 19,963.25
  4. Step 4: Simplify right side
    55,020.86x = 1,647,701,783.56
  5. Step 5: Solve for x
    x = 1,647,701,783.56/55,020.86
  6. Step 6: Final answer
    x = 29,946.86

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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.