Home / 35,986.21-49,661.05-20,071.68

Finding the Fourth Proportional to 35,986.21, 49,661.05 and 20,071.68

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Solution

The fourth proportional to 35,986.21, 49,661.05 and 20,071.68 is: 27,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.21 : 49,661.05 = 20,071.68 : x
  2. Step 2: Convert to fraction form
    35,986.21/49,661.05 = 20,071.68/x
  3. Step 3: Cross multiply
    35,986.21x = 49,661.05 × 20,071.68
  4. Step 4: Simplify right side
    35,986.21x = 996,780,784.63
  5. Step 5: Solve for x
    x = 996,780,784.63/35,986.21
  6. Step 6: Final answer
    x = 27,698.97

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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.