Home / 31,148.43-46,723.39-11,159.30

Finding the Fourth Proportional to 31,148.43, 46,723.39 and 11,159.30

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Solution

The fourth proportional to 31,148.43, 46,723.39 and 11,159.30 is: 16,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.43 : 46,723.39 = 11,159.30 : x
  2. Step 2: Convert to fraction form
    31,148.43/46,723.39 = 11,159.30/x
  3. Step 3: Cross multiply
    31,148.43x = 46,723.39 × 11,159.30
  4. Step 4: Simplify right side
    31,148.43x = 521,400,414.94
  5. Step 5: Solve for x
    x = 521,400,414.94/31,148.43
  6. Step 6: Final answer
    x = 16,739.22

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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.