Home / 40,969.28-61,453.92-13,269.44

Finding the Fourth Proportional to 40,969.28, 61,453.92 and 13,269.44

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Solution

The fourth proportional to 40,969.28, 61,453.92 and 13,269.44 is: 19,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,969.28 : 61,453.92 = 13,269.44 : x
  2. Step 2: Convert to fraction form
    40,969.28/61,453.92 = 13,269.44/x
  3. Step 3: Cross multiply
    40,969.28x = 61,453.92 × 13,269.44
  4. Step 4: Simplify right side
    40,969.28x = 815,459,104.20
  5. Step 5: Solve for x
    x = 815,459,104.20/40,969.28
  6. Step 6: Final answer
    x = 19,904.16

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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.