Home / 37,239.05-51,390.11-20,243.43

Finding the Fourth Proportional to 37,239.05, 51,390.11 and 20,243.43

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Solution

The fourth proportional to 37,239.05, 51,390.11 and 20,243.43 is: 27,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239.05 : 51,390.11 = 20,243.43 : x
  2. Step 2: Convert to fraction form
    37,239.05/51,390.11 = 20,243.43/x
  3. Step 3: Cross multiply
    37,239.05x = 51,390.11 × 20,243.43
  4. Step 4: Simplify right side
    37,239.05x = 1,040,312,145.09
  5. Step 5: Solve for x
    x = 1,040,312,145.09/37,239.05
  6. Step 6: Final answer
    x = 27,936.05

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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.