Home / 51,059.16-76,542.03-21,479.07

Finding the Fourth Proportional to 51,059.16, 76,542.03 and 21,479.07

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Solution

The fourth proportional to 51,059.16, 76,542.03 and 21,479.07 is: 32,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,059.16 : 76,542.03 = 21,479.07 : x
  2. Step 2: Convert to fraction form
    51,059.16/76,542.03 = 21,479.07/x
  3. Step 3: Cross multiply
    51,059.16x = 76,542.03 × 21,479.07
  4. Step 4: Simplify right side
    51,059.16x = 1,644,051,620.31
  5. Step 5: Solve for x
    x = 1,644,051,620.31/51,059.16
  6. Step 6: Final answer
    x = 32,198.96

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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.