Home / 37,051.59-51,126.43-21,135.09

Finding the Fourth Proportional to 37,051.59, 51,126.43 and 21,135.09

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Solution

The fourth proportional to 37,051.59, 51,126.43 and 21,135.09 is: 29,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,051.59 : 51,126.43 = 21,135.09 : x
  2. Step 2: Convert to fraction form
    37,051.59/51,126.43 = 21,135.09/x
  3. Step 3: Cross multiply
    37,051.59x = 51,126.43 × 21,135.09
  4. Step 4: Simplify right side
    37,051.59x = 1,080,561,699.43
  5. Step 5: Solve for x
    x = 1,080,561,699.43/37,051.59
  6. Step 6: Final answer
    x = 29,163.71

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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.