Home / 31,241.70-43,112.49-17,817.30

Finding the Fourth Proportional to 31,241.70, 43,112.49 and 17,817.30

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Solution

The fourth proportional to 31,241.70, 43,112.49 and 17,817.30 is: 24,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,241.70 : 43,112.49 = 17,817.30 : x
  2. Step 2: Convert to fraction form
    31,241.70/43,112.49 = 17,817.30/x
  3. Step 3: Cross multiply
    31,241.70x = 43,112.49 × 17,817.30
  4. Step 4: Simplify right side
    31,241.70x = 768,148,168.08
  5. Step 5: Solve for x
    x = 768,148,168.08/31,241.70
  6. Step 6: Final answer
    x = 24,587.27

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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.