Home / 50,078.46-69,112.11-28,568.68

Finding the Fourth Proportional to 50,078.46, 69,112.11 and 28,568.68

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Solution

The fourth proportional to 50,078.46, 69,112.11 and 28,568.68 is: 39,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,078.46 : 69,112.11 = 28,568.68 : x
  2. Step 2: Convert to fraction form
    50,078.46/69,112.11 = 28,568.68/x
  3. Step 3: Cross multiply
    50,078.46x = 69,112.11 × 28,568.68
  4. Step 4: Simplify right side
    50,078.46x = 1,974,441,581.93
  5. Step 5: Solve for x
    x = 1,974,441,581.93/50,078.46
  6. Step 6: Final answer
    x = 39,426.96

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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.