Home / 55,449.59-76,520.39-30,299.09

Finding the Fourth Proportional to 55,449.59, 76,520.39 and 30,299.09

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Solution

The fourth proportional to 55,449.59, 76,520.39 and 30,299.09 is: 41,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.59 : 76,520.39 = 30,299.09 : x
  2. Step 2: Convert to fraction form
    55,449.59/76,520.39 = 30,299.09/x
  3. Step 3: Cross multiply
    55,449.59x = 76,520.39 × 30,299.09
  4. Step 4: Simplify right side
    55,449.59x = 2,318,497,649.35
  5. Step 5: Solve for x
    x = 2,318,497,649.35/55,449.59
  6. Step 6: Final answer
    x = 41,812.71

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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.