Home / 50,431.95-75,648.30-18,849.15

Finding the Fourth Proportional to 50,431.95, 75,648.30 and 18,849.15

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Solution

The fourth proportional to 50,431.95, 75,648.30 and 18,849.15 is: 28,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,431.95 : 75,648.30 = 18,849.15 : x
  2. Step 2: Convert to fraction form
    50,431.95/75,648.30 = 18,849.15/x
  3. Step 3: Cross multiply
    50,431.95x = 75,648.30 × 18,849.15
  4. Step 4: Simplify right side
    50,431.95x = 1,425,906,153.95
  5. Step 5: Solve for x
    x = 1,425,906,153.95/50,431.95
  6. Step 6: Final answer
    x = 28,273.87

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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.