Home / 39,241.21-58,853.49-12,939.70

Finding the Fourth Proportional to 39,241.21, 58,853.49 and 12,939.70

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Solution

The fourth proportional to 39,241.21, 58,853.49 and 12,939.70 is: 19,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,241.21 : 58,853.49 = 12,939.70 : x
  2. Step 2: Convert to fraction form
    39,241.21/58,853.49 = 12,939.70/x
  3. Step 3: Cross multiply
    39,241.21x = 58,853.49 × 12,939.70
  4. Step 4: Simplify right side
    39,241.21x = 761,546,504.55
  5. Step 5: Solve for x
    x = 761,546,504.55/39,241.21
  6. Step 6: Final answer
    x = 19,406.80

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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.