Home / 54,471.58-81,712.08-15,028.69

Finding the Fourth Proportional to 54,471.58, 81,712.08 and 15,028.69

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Solution

The fourth proportional to 54,471.58, 81,712.08 and 15,028.69 is: 22,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,471.58 : 81,712.08 = 15,028.69 : x
  2. Step 2: Convert to fraction form
    54,471.58/81,712.08 = 15,028.69/x
  3. Step 3: Cross multiply
    54,471.58x = 81,712.08 × 15,028.69
  4. Step 4: Simplify right side
    54,471.58x = 1,228,025,519.58
  5. Step 5: Solve for x
    x = 1,228,025,519.58/54,471.58
  6. Step 6: Final answer
    x = 22,544.33

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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.