Home / 54,935.55-82,406.54-21,201.74

Finding the Fourth Proportional to 54,935.55, 82,406.54 and 21,201.74

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Solution

The fourth proportional to 54,935.55, 82,406.54 and 21,201.74 is: 31,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.55 : 82,406.54 = 21,201.74 : x
  2. Step 2: Convert to fraction form
    54,935.55/82,406.54 = 21,201.74/x
  3. Step 3: Cross multiply
    54,935.55x = 82,406.54 × 21,201.74
  4. Step 4: Simplify right side
    54,935.55x = 1,747,162,035.38
  5. Step 5: Solve for x
    x = 1,747,162,035.38/54,935.55
  6. Step 6: Final answer
    x = 31,803.85

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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.