Home / 41,136.50-56,713.44-30,884.12

Finding the Fourth Proportional to 41,136.50, 56,713.44 and 30,884.12

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Solution

The fourth proportional to 41,136.50, 56,713.44 and 30,884.12 is: 42,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,136.50 : 56,713.44 = 30,884.12 : x
  2. Step 2: Convert to fraction form
    41,136.50/56,713.44 = 30,884.12/x
  3. Step 3: Cross multiply
    41,136.50x = 56,713.44 × 30,884.12
  4. Step 4: Simplify right side
    41,136.50x = 1,751,544,686.57
  5. Step 5: Solve for x
    x = 1,751,544,686.57/41,136.50
  6. Step 6: Final answer
    x = 42,578.85

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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.