Home / 81,670.32-122,506.11-22,509.24

Finding the Fourth Proportional to 81,670.32, 122,506.11 and 22,509.24

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Solution

The fourth proportional to 81,670.32, 122,506.11 and 22,509.24 is: 33,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,670.32 : 122,506.11 = 22,509.24 : x
  2. Step 2: Convert to fraction form
    81,670.32/122,506.11 = 22,509.24/x
  3. Step 3: Cross multiply
    81,670.32x = 122,506.11 × 22,509.24
  4. Step 4: Simplify right side
    81,670.32x = 2,757,519,431.46
  5. Step 5: Solve for x
    x = 2,757,519,431.46/81,670.32
  6. Step 6: Final answer
    x = 33,764.03

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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.