Home / 56,351.85-84,539.04-20,813.37

Finding the Fourth Proportional to 56,351.85, 84,539.04 and 20,813.37

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Solution

The fourth proportional to 56,351.85, 84,539.04 and 20,813.37 is: 31,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,351.85 : 84,539.04 = 20,813.37 : x
  2. Step 2: Convert to fraction form
    56,351.85/84,539.04 = 20,813.37/x
  3. Step 3: Cross multiply
    56,351.85x = 84,539.04 × 20,813.37
  4. Step 4: Simplify right side
    56,351.85x = 1,759,542,318.96
  5. Step 5: Solve for x
    x = 1,759,542,318.96/56,351.85
  6. Step 6: Final answer
    x = 31,224.22

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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.