Home / 54,338.94-81,520.14-16,898.28

Finding the Fourth Proportional to 54,338.94, 81,520.14 and 16,898.28

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Solution

The fourth proportional to 54,338.94, 81,520.14 and 16,898.28 is: 25,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.94 : 81,520.14 = 16,898.28 : x
  2. Step 2: Convert to fraction form
    54,338.94/81,520.14 = 16,898.28/x
  3. Step 3: Cross multiply
    54,338.94x = 81,520.14 × 16,898.28
  4. Step 4: Simplify right side
    54,338.94x = 1,377,550,151.36
  5. Step 5: Solve for x
    x = 1,377,550,151.36/54,338.94
  6. Step 6: Final answer
    x = 25,351.07

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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.