Home / 39,149.33-54,026.22-21,244.33

Finding the Fourth Proportional to 39,149.33, 54,026.22 and 21,244.33

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Solution

The fourth proportional to 39,149.33, 54,026.22 and 21,244.33 is: 29,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.33 : 54,026.22 = 21,244.33 : x
  2. Step 2: Convert to fraction form
    39,149.33/54,026.22 = 21,244.33/x
  3. Step 3: Cross multiply
    39,149.33x = 54,026.22 × 21,244.33
  4. Step 4: Simplify right side
    39,149.33x = 1,147,750,846.33
  5. Step 5: Solve for x
    x = 1,147,750,846.33/39,149.33
  6. Step 6: Final answer
    x = 29,317.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.