Home / 37,127.85-51,231.71-21,213.33

Finding the Fourth Proportional to 37,127.85, 51,231.71 and 21,213.33

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Solution

The fourth proportional to 37,127.85, 51,231.71 and 21,213.33 is: 29,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,127.85 : 51,231.71 = 21,213.33 : x
  2. Step 2: Convert to fraction form
    37,127.85/51,231.71 = 21,213.33/x
  3. Step 3: Cross multiply
    37,127.85x = 51,231.71 × 21,213.33
  4. Step 4: Simplify right side
    37,127.85x = 1,086,795,223.73
  5. Step 5: Solve for x
    x = 1,086,795,223.73/37,127.85
  6. Step 6: Final answer
    x = 29,271.70

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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.