Home / 45,347.53-67,997.97-20,366.14

Finding the Fourth Proportional to 45,347.53, 67,997.97 and 20,366.14

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Solution

The fourth proportional to 45,347.53, 67,997.97 and 20,366.14 is: 30,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.53 : 67,997.97 = 20,366.14 : x
  2. Step 2: Convert to fraction form
    45,347.53/67,997.97 = 20,366.14/x
  3. Step 3: Cross multiply
    45,347.53x = 67,997.97 × 20,366.14
  4. Step 4: Simplify right side
    45,347.53x = 1,384,856,142.49
  5. Step 5: Solve for x
    x = 1,384,856,142.49/45,347.53
  6. Step 6: Final answer
    x = 30,538.73

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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.