Home / 38,536.20-57,804.30-12,243.60

Finding the Fourth Proportional to 38,536.20, 57,804.30 and 12,243.60

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Solution

The fourth proportional to 38,536.20, 57,804.30 and 12,243.60 is: 18,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536.20 : 57,804.30 = 12,243.60 : x
  2. Step 2: Convert to fraction form
    38,536.20/57,804.30 = 12,243.60/x
  3. Step 3: Cross multiply
    38,536.20x = 57,804.30 × 12,243.60
  4. Step 4: Simplify right side
    38,536.20x = 707,732,727.48
  5. Step 5: Solve for x
    x = 707,732,727.48/38,536.20
  6. Step 6: Final answer
    x = 18,365.40

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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.