Home / 50,731.56-76,119.12-19,588.68

Finding the Fourth Proportional to 50,731.56, 76,119.12 and 19,588.68

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Solution

The fourth proportional to 50,731.56, 76,119.12 and 19,588.68 is: 29,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.56 : 76,119.12 = 19,588.68 : x
  2. Step 2: Convert to fraction form
    50,731.56/76,119.12 = 19,588.68/x
  3. Step 3: Cross multiply
    50,731.56x = 76,119.12 × 19,588.68
  4. Step 4: Simplify right side
    50,731.56x = 1,491,073,083.56
  5. Step 5: Solve for x
    x = 1,491,073,083.56/50,731.56
  6. Step 6: Final answer
    x = 29,391.43

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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.