Home / 31,592.38-43,604.32-21,544.80

Finding the Fourth Proportional to 31,592.38, 43,604.32 and 21,544.80

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Solution

The fourth proportional to 31,592.38, 43,604.32 and 21,544.80 is: 29,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.38 : 43,604.32 = 21,544.80 : x
  2. Step 2: Convert to fraction form
    31,592.38/43,604.32 = 21,544.80/x
  3. Step 3: Cross multiply
    31,592.38x = 43,604.32 × 21,544.80
  4. Step 4: Simplify right side
    31,592.38x = 939,446,353.54
  5. Step 5: Solve for x
    x = 939,446,353.54/31,592.38
  6. Step 6: Final answer
    x = 29,736.49

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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.