Home / 38,496.20-57,746.30-18,791.56

Finding the Fourth Proportional to 38,496.20, 57,746.30 and 18,791.56

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Solution

The fourth proportional to 38,496.20, 57,746.30 and 18,791.56 is: 28,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496.20 : 57,746.30 = 18,791.56 : x
  2. Step 2: Convert to fraction form
    38,496.20/57,746.30 = 18,791.56/x
  3. Step 3: Cross multiply
    38,496.20x = 57,746.30 × 18,791.56
  4. Step 4: Simplify right side
    38,496.20x = 1,085,143,061.23
  5. Step 5: Solve for x
    x = 1,085,143,061.23/38,496.20
  6. Step 6: Final answer
    x = 28,188.32

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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.