Home / 40,839.38-56,183.37-39,089.78

Finding the Fourth Proportional to 40,839.38, 56,183.37 and 39,089.78

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Solution

The fourth proportional to 40,839.38, 56,183.37 and 39,089.78 is: 53,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.38 : 56,183.37 = 39,089.78 : x
  2. Step 2: Convert to fraction form
    40,839.38/56,183.37 = 39,089.78/x
  3. Step 3: Cross multiply
    40,839.38x = 56,183.37 × 39,089.78
  4. Step 4: Simplify right side
    40,839.38x = 2,196,195,572.96
  5. Step 5: Solve for x
    x = 2,196,195,572.96/40,839.38
  6. Step 6: Final answer
    x = 53,776.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.