Home / 37,131.75-51,244.25-20,364.75

Finding the Fourth Proportional to 37,131.75, 51,244.25 and 20,364.75

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Solution

The fourth proportional to 37,131.75, 51,244.25 and 20,364.75 is: 28,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.75 : 51,244.25 = 20,364.75 : x
  2. Step 2: Convert to fraction form
    37,131.75/51,244.25 = 20,364.75/x
  3. Step 3: Cross multiply
    37,131.75x = 51,244.25 × 20,364.75
  4. Step 4: Simplify right side
    37,131.75x = 1,043,576,238.36
  5. Step 5: Solve for x
    x = 1,043,576,238.36/37,131.75
  6. Step 6: Final answer
    x = 28,104.69

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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.