Home / 54,895.38-82,354.67-21,162.26

Finding the Fourth Proportional to 54,895.38, 82,354.67 and 21,162.26

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Solution

The fourth proportional to 54,895.38, 82,354.67 and 21,162.26 is: 31,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,895.38 : 82,354.67 = 21,162.26 : x
  2. Step 2: Convert to fraction form
    54,895.38/82,354.67 = 21,162.26/x
  3. Step 3: Cross multiply
    54,895.38x = 82,354.67 × 21,162.26
  4. Step 4: Simplify right side
    54,895.38x = 1,742,810,938.75
  5. Step 5: Solve for x
    x = 1,742,810,938.75/54,895.38
  6. Step 6: Final answer
    x = 31,747.86

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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.