Home / 54,488.28-81,745.59-18,944.46

Finding the Fourth Proportional to 54,488.28, 81,745.59 and 18,944.46

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Solution

The fourth proportional to 54,488.28, 81,745.59 and 18,944.46 is: 28,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.28 : 81,745.59 = 18,944.46 : x
  2. Step 2: Convert to fraction form
    54,488.28/81,745.59 = 18,944.46/x
  3. Step 3: Cross multiply
    54,488.28x = 81,745.59 × 18,944.46
  4. Step 4: Simplify right side
    54,488.28x = 1,548,626,059.93
  5. Step 5: Solve for x
    x = 1,548,626,059.93/54,488.28
  6. Step 6: Final answer
    x = 28,421.27

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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.