Home / 37,133.82-51,243.97-21,000.85

Finding the Fourth Proportional to 37,133.82, 51,243.97 and 21,000.85

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Solution

The fourth proportional to 37,133.82, 51,243.97 and 21,000.85 is: 28,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,133.82 : 51,243.97 = 21,000.85 : x
  2. Step 2: Convert to fraction form
    37,133.82/51,243.97 = 21,000.85/x
  3. Step 3: Cross multiply
    37,133.82x = 51,243.97 × 21,000.85
  4. Step 4: Simplify right side
    37,133.82x = 1,076,166,927.37
  5. Step 5: Solve for x
    x = 1,076,166,927.37/37,133.82
  6. Step 6: Final answer
    x = 28,980.78

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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.