Home / 54,338.68-81,514.64-16,900.75

Finding the Fourth Proportional to 54,338.68, 81,514.64 and 16,900.75

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Solution

The fourth proportional to 54,338.68, 81,514.64 and 16,900.75 is: 25,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.68 : 81,514.64 = 16,900.75 : x
  2. Step 2: Convert to fraction form
    54,338.68/81,514.64 = 16,900.75/x
  3. Step 3: Cross multiply
    54,338.68x = 81,514.64 × 16,900.75
  4. Step 4: Simplify right side
    54,338.68x = 1,377,658,551.98
  5. Step 5: Solve for x
    x = 1,377,658,551.98/54,338.68
  6. Step 6: Final answer
    x = 25,353.18

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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.