Home / 31,042.79-46,571.13-11,321.35

Finding the Fourth Proportional to 31,042.79, 46,571.13 and 11,321.35

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Solution

The fourth proportional to 31,042.79, 46,571.13 and 11,321.35 is: 16,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,042.79 : 46,571.13 = 11,321.35 : x
  2. Step 2: Convert to fraction form
    31,042.79/46,571.13 = 11,321.35/x
  3. Step 3: Cross multiply
    31,042.79x = 46,571.13 × 11,321.35
  4. Step 4: Simplify right side
    31,042.79x = 527,247,773.16
  5. Step 5: Solve for x
    x = 527,247,773.16/31,042.79
  6. Step 6: Final answer
    x = 16,984.55

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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.