Home / 33,166.40-49,762.56-12,391.52

Finding the Fourth Proportional to 33,166.40, 49,762.56 and 12,391.52

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Solution

The fourth proportional to 33,166.40, 49,762.56 and 12,391.52 is: 18,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,166.40 : 49,762.56 = 12,391.52 : x
  2. Step 2: Convert to fraction form
    33,166.40/49,762.56 = 12,391.52/x
  3. Step 3: Cross multiply
    33,166.40x = 49,762.56 × 12,391.52
  4. Step 4: Simplify right side
    33,166.40x = 616,633,757.49
  5. Step 5: Solve for x
    x = 616,633,757.49/33,166.40
  6. Step 6: Final answer
    x = 18,592.12

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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.