Home / 37,239.57-51,390.86-20,243.82

Finding the Fourth Proportional to 37,239.57, 51,390.86 and 20,243.82

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Solution

The fourth proportional to 37,239.57, 51,390.86 and 20,243.82 is: 27,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239.57 : 51,390.86 = 20,243.82 : x
  2. Step 2: Convert to fraction form
    37,239.57/51,390.86 = 20,243.82/x
  3. Step 3: Cross multiply
    37,239.57x = 51,390.86 × 20,243.82
  4. Step 4: Simplify right side
    37,239.57x = 1,040,347,319.49
  5. Step 5: Solve for x
    x = 1,040,347,319.49/37,239.57
  6. Step 6: Final answer
    x = 27,936.61

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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.