Home / 31,555.24-43,544.59-19,618.38

Finding the Fourth Proportional to 31,555.24, 43,544.59 and 19,618.38

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Solution

The fourth proportional to 31,555.24, 43,544.59 and 19,618.38 is: 27,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.24 : 43,544.59 = 19,618.38 : x
  2. Step 2: Convert to fraction form
    31,555.24/43,544.59 = 19,618.38/x
  3. Step 3: Cross multiply
    31,555.24x = 43,544.59 × 19,618.38
  4. Step 4: Simplify right side
    31,555.24x = 854,274,313.56
  5. Step 5: Solve for x
    x = 854,274,313.56/31,555.24
  6. Step 6: Final answer
    x = 27,072.34

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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.