Home / 39,541.60-54,567.39-21,636.73

Finding the Fourth Proportional to 39,541.60, 54,567.39 and 21,636.73

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Solution

The fourth proportional to 39,541.60, 54,567.39 and 21,636.73 is: 29,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.60 : 54,567.39 = 21,636.73 : x
  2. Step 2: Convert to fraction form
    39,541.60/54,567.39 = 21,636.73/x
  3. Step 3: Cross multiply
    39,541.60x = 54,567.39 × 21,636.73
  4. Step 4: Simplify right side
    39,541.60x = 1,180,659,884.23
  5. Step 5: Solve for x
    x = 1,180,659,884.23/39,541.60
  6. Step 6: Final answer
    x = 29,858.68

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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.