Home / 39,778.14-54,893.36-29,614.60

Finding the Fourth Proportional to 39,778.14, 54,893.36 and 29,614.60

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Solution

The fourth proportional to 39,778.14, 54,893.36 and 29,614.60 is: 40,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.14 : 54,893.36 = 29,614.60 : x
  2. Step 2: Convert to fraction form
    39,778.14/54,893.36 = 29,614.60/x
  3. Step 3: Cross multiply
    39,778.14x = 54,893.36 × 29,614.60
  4. Step 4: Simplify right side
    39,778.14x = 1,625,644,899.06
  5. Step 5: Solve for x
    x = 1,625,644,899.06/39,778.14
  6. Step 6: Final answer
    x = 40,867.80

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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.