Home / 50,340.35-69,469.95-27,680.81

Finding the Fourth Proportional to 50,340.35, 69,469.95 and 27,680.81

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Solution

The fourth proportional to 50,340.35, 69,469.95 and 27,680.81 is: 38,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,340.35 : 69,469.95 = 27,680.81 : x
  2. Step 2: Convert to fraction form
    50,340.35/69,469.95 = 27,680.81/x
  3. Step 3: Cross multiply
    50,340.35x = 69,469.95 × 27,680.81
  4. Step 4: Simplify right side
    50,340.35x = 1,922,984,000.91
  5. Step 5: Solve for x
    x = 1,922,984,000.91/50,340.35
  6. Step 6: Final answer
    x = 38,199.65

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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.