Home / 54,789.11-82,189.33-17,354.28

Finding the Fourth Proportional to 54,789.11, 82,189.33 and 17,354.28

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Solution

The fourth proportional to 54,789.11, 82,189.33 and 17,354.28 is: 26,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.11 : 82,189.33 = 17,354.28 : x
  2. Step 2: Convert to fraction form
    54,789.11/82,189.33 = 17,354.28/x
  3. Step 3: Cross multiply
    54,789.11x = 82,189.33 × 17,354.28
  4. Step 4: Simplify right side
    54,789.11x = 1,426,336,645.83
  5. Step 5: Solve for x
    x = 1,426,336,645.83/54,789.11
  6. Step 6: Final answer
    x = 26,033.21

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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.