Home / 39,733.54-54,833.15-21,829.60

Finding the Fourth Proportional to 39,733.54, 54,833.15 and 21,829.60

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Solution

The fourth proportional to 39,733.54, 54,833.15 and 21,829.60 is: 30,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.54 : 54,833.15 = 21,829.60 : x
  2. Step 2: Convert to fraction form
    39,733.54/54,833.15 = 21,829.60/x
  3. Step 3: Cross multiply
    39,733.54x = 54,833.15 × 21,829.60
  4. Step 4: Simplify right side
    39,733.54x = 1,196,985,854.36
  5. Step 5: Solve for x
    x = 1,196,985,854.36/39,733.54
  6. Step 6: Final answer
    x = 30,125.33

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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.