Home / 55,184.88-82,789.67-20,124.54

Finding the Fourth Proportional to 55,184.88, 82,789.67 and 20,124.54

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Solution

The fourth proportional to 55,184.88, 82,789.67 and 20,124.54 is: 30,191.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184.88 : 82,789.67 = 20,124.54 : x
  2. Step 2: Convert to fraction form
    55,184.88/82,789.67 = 20,124.54/x
  3. Step 3: Cross multiply
    55,184.88x = 82,789.67 × 20,124.54
  4. Step 4: Simplify right side
    55,184.88x = 1,666,103,924.88
  5. Step 5: Solve for x
    x = 1,666,103,924.88/55,184.88
  6. Step 6: Final answer
    x = 30,191.31

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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.