Home / 33,114.60-49,661.10-12,335.40

Finding the Fourth Proportional to 33,114.60, 49,661.10 and 12,335.40

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Solution

The fourth proportional to 33,114.60, 49,661.10 and 12,335.40 is: 18,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,114.60 : 49,661.10 = 12,335.40 : x
  2. Step 2: Convert to fraction form
    33,114.60/49,661.10 = 12,335.40/x
  3. Step 3: Cross multiply
    33,114.60x = 49,661.10 × 12,335.40
  4. Step 4: Simplify right side
    33,114.60x = 612,589,532.94
  5. Step 5: Solve for x
    x = 612,589,532.94/33,114.60
  6. Step 6: Final answer
    x = 18,499.08

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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.