Home / 55,629.99-76,770.38-30,136.86

Finding the Fourth Proportional to 55,629.99, 76,770.38 and 30,136.86

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Solution

The fourth proportional to 55,629.99, 76,770.38 and 30,136.86 is: 41,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.99 : 76,770.38 = 30,136.86 : x
  2. Step 2: Convert to fraction form
    55,629.99/76,770.38 = 30,136.86/x
  3. Step 3: Cross multiply
    55,629.99x = 76,770.38 × 30,136.86
  4. Step 4: Simplify right side
    55,629.99x = 2,313,618,269.55
  5. Step 5: Solve for x
    x = 2,313,618,269.55/55,629.99
  6. Step 6: Final answer
    x = 41,589.41

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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.