Home / 30,213.89-41,701.84-16,789.76

Finding the Fourth Proportional to 30,213.89, 41,701.84 and 16,789.76

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Solution

The fourth proportional to 30,213.89, 41,701.84 and 16,789.76 is: 23,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.89 : 41,701.84 = 16,789.76 : x
  2. Step 2: Convert to fraction form
    30,213.89/41,701.84 = 16,789.76/x
  3. Step 3: Cross multiply
    30,213.89x = 41,701.84 × 16,789.76
  4. Step 4: Simplify right side
    30,213.89x = 700,163,696.96
  5. Step 5: Solve for x
    x = 700,163,696.96/30,213.89
  6. Step 6: Final answer
    x = 23,173.57

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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.