Home / 54,588.72-81,920.68-19,050.24

Finding the Fourth Proportional to 54,588.72, 81,920.68 and 19,050.24

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Solution

The fourth proportional to 54,588.72, 81,920.68 and 19,050.24 is: 28,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.72 : 81,920.68 = 19,050.24 : x
  2. Step 2: Convert to fraction form
    54,588.72/81,920.68 = 19,050.24/x
  3. Step 3: Cross multiply
    54,588.72x = 81,920.68 × 19,050.24
  4. Step 4: Simplify right side
    54,588.72x = 1,560,608,614.96
  5. Step 5: Solve for x
    x = 1,560,608,614.96/54,588.72
  6. Step 6: Final answer
    x = 28,588.48

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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.