Home / 80,632.08-120,954.24-21,467.52

Finding the Fourth Proportional to 80,632.08, 120,954.24 and 21,467.52

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Solution

The fourth proportional to 80,632.08, 120,954.24 and 21,467.52 is: 32,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,632.08 : 120,954.24 = 21,467.52 : x
  2. Step 2: Convert to fraction form
    80,632.08/120,954.24 = 21,467.52/x
  3. Step 3: Cross multiply
    80,632.08x = 120,954.24 × 21,467.52
  4. Step 4: Simplify right side
    80,632.08x = 2,596,587,566.28
  5. Step 5: Solve for x
    x = 2,596,587,566.28/80,632.08
  6. Step 6: Final answer
    x = 32,202.91

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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.