Home / 35,658.20-53,472.90-12,272.60

Finding the Fourth Proportional to 35,658.20, 53,472.90 and 12,272.60

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Solution

The fourth proportional to 35,658.20, 53,472.90 and 12,272.60 is: 18,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.20 : 53,472.90 = 12,272.60 : x
  2. Step 2: Convert to fraction form
    35,658.20/53,472.90 = 12,272.60/x
  3. Step 3: Cross multiply
    35,658.20x = 53,472.90 × 12,272.60
  4. Step 4: Simplify right side
    35,658.20x = 656,251,512.54
  5. Step 5: Solve for x
    x = 656,251,512.54/35,658.20
  6. Step 6: Final answer
    x = 18,403.94

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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.