Home / 56,622.40-84,942.81-21,083.85

Finding the Fourth Proportional to 56,622.40, 84,942.81 and 21,083.85

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Solution

The fourth proportional to 56,622.40, 84,942.81 and 21,083.85 is: 31,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,622.40 : 84,942.81 = 21,083.85 : x
  2. Step 2: Convert to fraction form
    56,622.40/84,942.81 = 21,083.85/x
  3. Step 3: Cross multiply
    56,622.40x = 84,942.81 × 21,083.85
  4. Step 4: Simplify right side
    56,622.40x = 1,790,921,464.62
  5. Step 5: Solve for x
    x = 1,790,921,464.62/56,622.40
  6. Step 6: Final answer
    x = 31,629.21

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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.