Home / 54,879.09-82,310.01-17,434.23

Finding the Fourth Proportional to 54,879.09, 82,310.01 and 17,434.23

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Solution

The fourth proportional to 54,879.09, 82,310.01 and 17,434.23 is: 26,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.09 : 82,310.01 = 17,434.23 : x
  2. Step 2: Convert to fraction form
    54,879.09/82,310.01 = 17,434.23/x
  3. Step 3: Cross multiply
    54,879.09x = 82,310.01 × 17,434.23
  4. Step 4: Simplify right side
    54,879.09x = 1,435,011,645.64
  5. Step 5: Solve for x
    x = 1,435,011,645.64/54,879.09
  6. Step 6: Final answer
    x = 26,148.60

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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.