Home / 50,489.20-69,680.28-30,352.64

Finding the Fourth Proportional to 50,489.20, 69,680.28 and 30,352.64

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Solution

The fourth proportional to 50,489.20, 69,680.28 and 30,352.64 is: 41,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.20 : 69,680.28 = 30,352.64 : x
  2. Step 2: Convert to fraction form
    50,489.20/69,680.28 = 30,352.64/x
  3. Step 3: Cross multiply
    50,489.20x = 69,680.28 × 30,352.64
  4. Step 4: Simplify right side
    50,489.20x = 2,114,980,453.94
  5. Step 5: Solve for x
    x = 2,114,980,453.94/50,489.20
  6. Step 6: Final answer
    x = 41,889.76

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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.