Home / 54,198.24-81,323.28-19,154.40

Finding the Fourth Proportional to 54,198.24, 81,323.28 and 19,154.40

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Solution

The fourth proportional to 54,198.24, 81,323.28 and 19,154.40 is: 28,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198.24 : 81,323.28 = 19,154.40 : x
  2. Step 2: Convert to fraction form
    54,198.24/81,323.28 = 19,154.40/x
  3. Step 3: Cross multiply
    54,198.24x = 81,323.28 × 19,154.40
  4. Step 4: Simplify right side
    54,198.24x = 1,557,698,634.43
  5. Step 5: Solve for x
    x = 1,557,698,634.43/54,198.24
  6. Step 6: Final answer
    x = 28,740.76

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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.