Home / 37,122.75-51,231.84-20,355.75

Finding the Fourth Proportional to 37,122.75, 51,231.84 and 20,355.75

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Solution

The fourth proportional to 37,122.75, 51,231.84 and 20,355.75 is: 28,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.75 : 51,231.84 = 20,355.75 : x
  2. Step 2: Convert to fraction form
    37,122.75/51,231.84 = 20,355.75/x
  3. Step 3: Cross multiply
    37,122.75x = 51,231.84 × 20,355.75
  4. Step 4: Simplify right side
    37,122.75x = 1,042,862,527.08
  5. Step 5: Solve for x
    x = 1,042,862,527.08/37,122.75
  6. Step 6: Final answer
    x = 28,092.28

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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.