Home / 71,764.72-107,652.58-21,849.08

Finding the Fourth Proportional to 71,764.72, 107,652.58 and 21,849.08

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Solution

The fourth proportional to 71,764.72, 107,652.58 and 21,849.08 is: 32,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,764.72 : 107,652.58 = 21,849.08 : x
  2. Step 2: Convert to fraction form
    71,764.72/107,652.58 = 21,849.08/x
  3. Step 3: Cross multiply
    71,764.72x = 107,652.58 × 21,849.08
  4. Step 4: Simplify right side
    71,764.72x = 2,352,109,832.63
  5. Step 5: Solve for x
    x = 2,352,109,832.63/71,764.72
  6. Step 6: Final answer
    x = 32,775.29

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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.