Home / 37,436.31-51,661.67-21,519.54

Finding the Fourth Proportional to 37,436.31, 51,661.67 and 21,519.54

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Solution

The fourth proportional to 37,436.31, 51,661.67 and 21,519.54 is: 29,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,436.31 : 51,661.67 = 21,519.54 : x
  2. Step 2: Convert to fraction form
    37,436.31/51,661.67 = 21,519.54/x
  3. Step 3: Cross multiply
    37,436.31x = 51,661.67 × 21,519.54
  4. Step 4: Simplify right side
    37,436.31x = 1,111,735,266.43
  5. Step 5: Solve for x
    x = 1,111,735,266.43/37,436.31
  6. Step 6: Final answer
    x = 29,696.71

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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.