Home / 30,310.80-41,836.68-27,161.52

Finding the Fourth Proportional to 30,310.80, 41,836.68 and 27,161.52

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Solution

The fourth proportional to 30,310.80, 41,836.68 and 27,161.52 is: 37,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.80 : 41,836.68 = 27,161.52 : x
  2. Step 2: Convert to fraction form
    30,310.80/41,836.68 = 27,161.52/x
  3. Step 3: Cross multiply
    30,310.80x = 41,836.68 × 27,161.52
  4. Step 4: Simplify right side
    30,310.80x = 1,136,347,820.55
  5. Step 5: Solve for x
    x = 1,136,347,820.55/30,310.80
  6. Step 6: Final answer
    x = 37,489.87

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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.