Home / 45,039.38-67,568.73-13,451.93

Finding the Fourth Proportional to 45,039.38, 67,568.73 and 13,451.93

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Solution

The fourth proportional to 45,039.38, 67,568.73 and 13,451.93 is: 20,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,039.38 : 67,568.73 = 13,451.93 : x
  2. Step 2: Convert to fraction form
    45,039.38/67,568.73 = 13,451.93/x
  3. Step 3: Cross multiply
    45,039.38x = 67,568.73 × 13,451.93
  4. Step 4: Simplify right side
    45,039.38x = 908,929,826.15
  5. Step 5: Solve for x
    x = 908,929,826.15/45,039.38
  6. Step 6: Final answer
    x = 20,180.78

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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.