Home / 39,276.60-58,893.90-20,511.24

Finding the Fourth Proportional to 39,276.60, 58,893.90 and 20,511.24

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Solution

The fourth proportional to 39,276.60, 58,893.90 and 20,511.24 is: 30,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,276.60 : 58,893.90 = 20,511.24 : x
  2. Step 2: Convert to fraction form
    39,276.60/58,893.90 = 20,511.24/x
  3. Step 3: Cross multiply
    39,276.60x = 58,893.90 × 20,511.24
  4. Step 4: Simplify right side
    39,276.60x = 1,207,986,917.44
  5. Step 5: Solve for x
    x = 1,207,986,917.44/39,276.60
  6. Step 6: Final answer
    x = 30,755.89

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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.