Home / 31,184.16-43,034-17,757.92

Finding the Fourth Proportional to 31,184.16, 43,034 and 17,757.92

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Solution

The fourth proportional to 31,184.16, 43,034 and 17,757.92 is: 24,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.16 : 43,034 = 17,757.92 : x
  2. Step 2: Convert to fraction form
    31,184.16/43,034 = 17,757.92/x
  3. Step 3: Cross multiply
    31,184.16x = 43,034 × 17,757.92
  4. Step 4: Simplify right side
    31,184.16x = 764,194,329.28
  5. Step 5: Solve for x
    x = 764,194,329.28/31,184.16
  6. Step 6: Final answer
    x = 24,505.85

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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.