Home / 33,917.16-50,864.40-13,921.50

Finding the Fourth Proportional to 33,917.16, 50,864.40 and 13,921.50

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Solution

The fourth proportional to 33,917.16, 50,864.40 and 13,921.50 is: 20,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,917.16 : 50,864.40 = 13,921.50 : x
  2. Step 2: Convert to fraction form
    33,917.16/50,864.40 = 13,921.50/x
  3. Step 3: Cross multiply
    33,917.16x = 50,864.40 × 13,921.50
  4. Step 4: Simplify right side
    33,917.16x = 708,108,744.60
  5. Step 5: Solve for x
    x = 708,108,744.60/33,917.16
  6. Step 6: Final answer
    x = 20,877.60

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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.