Home / 39,849.41-54,984.17-30,286.74

Finding the Fourth Proportional to 39,849.41, 54,984.17 and 30,286.74

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Solution

The fourth proportional to 39,849.41, 54,984.17 and 30,286.74 is: 41,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.41 : 54,984.17 = 30,286.74 : x
  2. Step 2: Convert to fraction form
    39,849.41/54,984.17 = 30,286.74/x
  3. Step 3: Cross multiply
    39,849.41x = 54,984.17 × 30,286.74
  4. Step 4: Simplify right side
    39,849.41x = 1,665,291,109.47
  5. Step 5: Solve for x
    x = 1,665,291,109.47/39,849.41
  6. Step 6: Final answer
    x = 41,789.61

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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.