Home / 38,152.86-57,241.74-18,433.68

Finding the Fourth Proportional to 38,152.86, 57,241.74 and 18,433.68

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Solution

The fourth proportional to 38,152.86, 57,241.74 and 18,433.68 is: 27,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.86 : 57,241.74 = 18,433.68 : x
  2. Step 2: Convert to fraction form
    38,152.86/57,241.74 = 18,433.68/x
  3. Step 3: Cross multiply
    38,152.86x = 57,241.74 × 18,433.68
  4. Step 4: Simplify right side
    38,152.86x = 1,055,175,917.80
  5. Step 5: Solve for x
    x = 1,055,175,917.80/38,152.86
  6. Step 6: Final answer
    x = 27,656.54

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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.