Home / 32,121.62-44,340.57-21,775.73

Finding the Fourth Proportional to 32,121.62, 44,340.57 and 21,775.73

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Solution

The fourth proportional to 32,121.62, 44,340.57 and 21,775.73 is: 30,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.62 : 44,340.57 = 21,775.73 : x
  2. Step 2: Convert to fraction form
    32,121.62/44,340.57 = 21,775.73/x
  3. Step 3: Cross multiply
    32,121.62x = 44,340.57 × 21,775.73
  4. Step 4: Simplify right side
    32,121.62x = 965,548,058.66
  5. Step 5: Solve for x
    x = 965,548,058.66/32,121.62
  6. Step 6: Final answer
    x = 30,059.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.