Home / 55,201.83-82,814.96-20,141.38

Finding the Fourth Proportional to 55,201.83, 82,814.96 and 20,141.38

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Solution

The fourth proportional to 55,201.83, 82,814.96 and 20,141.38 is: 30,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.83 : 82,814.96 = 20,141.38 : x
  2. Step 2: Convert to fraction form
    55,201.83/82,814.96 = 20,141.38/x
  3. Step 3: Cross multiply
    55,201.83x = 82,814.96 × 20,141.38
  4. Step 4: Simplify right side
    55,201.83x = 1,668,007,478.34
  5. Step 5: Solve for x
    x = 1,668,007,478.34/55,201.83
  6. Step 6: Final answer
    x = 30,216.53

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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.