Home / 33,168.60-49,751.26-12,390.52

Finding the Fourth Proportional to 33,168.60, 49,751.26 and 12,390.52

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Solution

The fourth proportional to 33,168.60, 49,751.26 and 12,390.52 is: 18,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.60 : 49,751.26 = 12,390.52 : x
  2. Step 2: Convert to fraction form
    33,168.60/49,751.26 = 12,390.52/x
  3. Step 3: Cross multiply
    33,168.60x = 49,751.26 × 12,390.52
  4. Step 4: Simplify right side
    33,168.60x = 616,443,982.06
  5. Step 5: Solve for x
    x = 616,443,982.06/33,168.60
  6. Step 6: Final answer
    x = 18,585.17

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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.