Home / 31,996.33-44,169.09-20,671.36

Finding the Fourth Proportional to 31,996.33, 44,169.09 and 20,671.36

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Solution

The fourth proportional to 31,996.33, 44,169.09 and 20,671.36 is: 28,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.33 : 44,169.09 = 20,671.36 : x
  2. Step 2: Convert to fraction form
    31,996.33/44,169.09 = 20,671.36/x
  3. Step 3: Cross multiply
    31,996.33x = 44,169.09 × 20,671.36
  4. Step 4: Simplify right side
    31,996.33x = 913,035,160.26
  5. Step 5: Solve for x
    x = 913,035,160.26/31,996.33
  6. Step 6: Final answer
    x = 28,535.62

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1.5x scale

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.