Home / 35,936.88-49,597.28-21,789.68

Finding the Fourth Proportional to 35,936.88, 49,597.28 and 21,789.68

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Solution

The fourth proportional to 35,936.88, 49,597.28 and 21,789.68 is: 30,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,936.88 : 49,597.28 = 21,789.68 : x
  2. Step 2: Convert to fraction form
    35,936.88/49,597.28 = 21,789.68/x
  3. Step 3: Cross multiply
    35,936.88x = 49,597.28 × 21,789.68
  4. Step 4: Simplify right side
    35,936.88x = 1,080,708,860.07
  5. Step 5: Solve for x
    x = 1,080,708,860.07/35,936.88
  6. Step 6: Final answer
    x = 30,072.42

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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.