Home / 45,235.99-67,832.42-20,276.25

Finding the Fourth Proportional to 45,235.99, 67,832.42 and 20,276.25

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Solution

The fourth proportional to 45,235.99, 67,832.42 and 20,276.25 is: 30,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,235.99 : 67,832.42 = 20,276.25 : x
  2. Step 2: Convert to fraction form
    45,235.99/67,832.42 = 20,276.25/x
  3. Step 3: Cross multiply
    45,235.99x = 67,832.42 × 20,276.25
  4. Step 4: Simplify right side
    45,235.99x = 1,375,387,106.03
  5. Step 5: Solve for x
    x = 1,375,387,106.03/45,235.99
  6. Step 6: Final answer
    x = 30,404.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.