Home / 54,989.08-82,467.11-28,679.47

Finding the Fourth Proportional to 54,989.08, 82,467.11 and 28,679.47

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Solution

The fourth proportional to 54,989.08, 82,467.11 and 28,679.47 is: 43,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,989.08 : 82,467.11 = 28,679.47 : x
  2. Step 2: Convert to fraction form
    54,989.08/82,467.11 = 28,679.47/x
  3. Step 3: Cross multiply
    54,989.08x = 82,467.11 × 28,679.47
  4. Step 4: Simplify right side
    54,989.08x = 2,365,112,872.76
  5. Step 5: Solve for x
    x = 2,365,112,872.76/54,989.08
  6. Step 6: Final answer
    x = 43,010.59

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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.