Home / 38,636.20-57,911.10-16,445.80

Finding the Fourth Proportional to 38,636.20, 57,911.10 and 16,445.80

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Solution

The fourth proportional to 38,636.20, 57,911.10 and 16,445.80 is: 24,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.20 : 57,911.10 = 16,445.80 : x
  2. Step 2: Convert to fraction form
    38,636.20/57,911.10 = 16,445.80/x
  3. Step 3: Cross multiply
    38,636.20x = 57,911.10 × 16,445.80
  4. Step 4: Simplify right side
    38,636.20x = 952,394,368.38
  5. Step 5: Solve for x
    x = 952,394,368.38/38,636.20
  6. Step 6: Final answer
    x = 24,650.31

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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.