Home / 39,827.31-59,777.87-20,119.74

Finding the Fourth Proportional to 39,827.31, 59,777.87 and 20,119.74

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Solution

The fourth proportional to 39,827.31, 59,777.87 and 20,119.74 is: 30,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.31 : 59,777.87 = 20,119.74 : x
  2. Step 2: Convert to fraction form
    39,827.31/59,777.87 = 20,119.74/x
  3. Step 3: Cross multiply
    39,827.31x = 59,777.87 × 20,119.74
  4. Step 4: Simplify right side
    39,827.31x = 1,202,715,101.56
  5. Step 5: Solve for x
    x = 1,202,715,101.56/39,827.31
  6. Step 6: Final answer
    x = 30,198.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.