Home / 38,715.20-57,943.20-34,049.60

Finding the Fourth Proportional to 38,715.20, 57,943.20 and 34,049.60

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Solution

The fourth proportional to 38,715.20, 57,943.20 and 34,049.60 is: 50,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715.20 : 57,943.20 = 34,049.60 : x
  2. Step 2: Convert to fraction form
    38,715.20/57,943.20 = 34,049.60/x
  3. Step 3: Cross multiply
    38,715.20x = 57,943.20 × 34,049.60
  4. Step 4: Simplify right side
    38,715.20x = 1,972,942,782.72
  5. Step 5: Solve for x
    x = 1,972,942,782.72/38,715.20
  6. Step 6: Final answer
    x = 50,960.42

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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.