Home / 37,051.45-51,131.09-21,135.49

Finding the Fourth Proportional to 37,051.45, 51,131.09 and 21,135.49

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Solution

The fourth proportional to 37,051.45, 51,131.09 and 21,135.49 is: 29,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,051.45 : 51,131.09 = 21,135.49 : x
  2. Step 2: Convert to fraction form
    37,051.45/51,131.09 = 21,135.49/x
  3. Step 3: Cross multiply
    37,051.45x = 51,131.09 × 21,135.49
  4. Step 4: Simplify right side
    37,051.45x = 1,080,680,566.40
  5. Step 5: Solve for x
    x = 1,080,680,566.40/37,051.45
  6. Step 6: Final answer
    x = 29,167.03

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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.