Home / 50,540.63-75,757.64-18,930.06

Finding the Fourth Proportional to 50,540.63, 75,757.64 and 18,930.06

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Solution

The fourth proportional to 50,540.63, 75,757.64 and 18,930.06 is: 28,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,540.63 : 75,757.64 = 18,930.06 : x
  2. Step 2: Convert to fraction form
    50,540.63/75,757.64 = 18,930.06/x
  3. Step 3: Cross multiply
    50,540.63x = 75,757.64 × 18,930.06
  4. Step 4: Simplify right side
    50,540.63x = 1,434,096,576.01
  5. Step 5: Solve for x
    x = 1,434,096,576.01/50,540.63
  6. Step 6: Final answer
    x = 28,375.13

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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.