Home / 30,213.70-41,701.58-16,789.57

Finding the Fourth Proportional to 30,213.70, 41,701.58 and 16,789.57

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Solution

The fourth proportional to 30,213.70, 41,701.58 and 16,789.57 is: 23,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.70 : 41,701.58 = 16,789.57 : x
  2. Step 2: Convert to fraction form
    30,213.70/41,701.58 = 16,789.57/x
  3. Step 3: Cross multiply
    30,213.70x = 41,701.58 × 16,789.57
  4. Step 4: Simplify right side
    30,213.70x = 700,151,512.57
  5. Step 5: Solve for x
    x = 700,151,512.57/30,213.70
  6. Step 6: Final answer
    x = 23,173.31

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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.