Home / 33,205.60-49,808.40-21,395.80

Finding the Fourth Proportional to 33,205.60, 49,808.40 and 21,395.80

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Solution

The fourth proportional to 33,205.60, 49,808.40 and 21,395.80 is: 32,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.60 : 49,808.40 = 21,395.80 : x
  2. Step 2: Convert to fraction form
    33,205.60/49,808.40 = 21,395.80/x
  3. Step 3: Cross multiply
    33,205.60x = 49,808.40 × 21,395.80
  4. Step 4: Simplify right side
    33,205.60x = 1,065,690,564.72
  5. Step 5: Solve for x
    x = 1,065,690,564.72/33,205.60
  6. Step 6: Final answer
    x = 32,093.70

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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.