Home / 31,957.96-44,081.40-21,202.60

Finding the Fourth Proportional to 31,957.96, 44,081.40 and 21,202.60

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Solution

The fourth proportional to 31,957.96, 44,081.40 and 21,202.60 is: 29,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.96 : 44,081.40 = 21,202.60 : x
  2. Step 2: Convert to fraction form
    31,957.96/44,081.40 = 21,202.60/x
  3. Step 3: Cross multiply
    31,957.96x = 44,081.40 × 21,202.60
  4. Step 4: Simplify right side
    31,957.96x = 934,640,291.64
  5. Step 5: Solve for x
    x = 934,640,291.64/31,957.96
  6. Step 6: Final answer
    x = 29,245.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.