Home / 54,187.38-81,289.85-16,738.70

Finding the Fourth Proportional to 54,187.38, 81,289.85 and 16,738.70

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Solution

The fourth proportional to 54,187.38, 81,289.85 and 16,738.70 is: 25,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.38 : 81,289.85 = 16,738.70 : x
  2. Step 2: Convert to fraction form
    54,187.38/81,289.85 = 16,738.70/x
  3. Step 3: Cross multiply
    54,187.38x = 81,289.85 × 16,738.70
  4. Step 4: Simplify right side
    54,187.38x = 1,360,685,922.05
  5. Step 5: Solve for x
    x = 1,360,685,922.05/54,187.38
  6. Step 6: Final answer
    x = 25,110.75

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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.