Home / 32,212.89-44,431.29-31,129.11

Finding the Fourth Proportional to 32,212.89, 44,431.29 and 31,129.11

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Solution

The fourth proportional to 32,212.89, 44,431.29 and 31,129.11 is: 42,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,212.89 : 44,431.29 = 31,129.11 : x
  2. Step 2: Convert to fraction form
    32,212.89/44,431.29 = 31,129.11/x
  3. Step 3: Cross multiply
    32,212.89x = 44,431.29 × 31,129.11
  4. Step 4: Simplify right side
    32,212.89x = 1,383,106,513.85
  5. Step 5: Solve for x
    x = 1,383,106,513.85/32,212.89
  6. Step 6: Final answer
    x = 42,936.43

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