Home / 38,536.38-57,806.56-12,243.18

Finding the Fourth Proportional to 38,536.38, 57,806.56 and 12,243.18

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Solution

The fourth proportional to 38,536.38, 57,806.56 and 12,243.18 is: 18,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536.38 : 57,806.56 = 12,243.18 : x
  2. Step 2: Convert to fraction form
    38,536.38/57,806.56 = 12,243.18/x
  3. Step 3: Cross multiply
    38,536.38x = 57,806.56 × 12,243.18
  4. Step 4: Simplify right side
    38,536.38x = 707,736,119.26
  5. Step 5: Solve for x
    x = 707,736,119.26/38,536.38
  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.