Home / 33,025.80-49,538.70-21,872.10

Finding the Fourth Proportional to 33,025.80, 49,538.70 and 21,872.10

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Solution

The fourth proportional to 33,025.80, 49,538.70 and 21,872.10 is: 32,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,025.80 : 49,538.70 = 21,872.10 : x
  2. Step 2: Convert to fraction form
    33,025.80/49,538.70 = 21,872.10/x
  3. Step 3: Cross multiply
    33,025.80x = 49,538.70 × 21,872.10
  4. Step 4: Simplify right side
    33,025.80x = 1,083,515,400.27
  5. Step 5: Solve for x
    x = 1,083,515,400.27/33,025.80
  6. Step 6: Final answer
    x = 32,808.15

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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.