Home / 53,764.38-80,651.57-20,475.27

Finding the Fourth Proportional to 53,764.38, 80,651.57 and 20,475.27

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Solution

The fourth proportional to 53,764.38, 80,651.57 and 20,475.27 is: 30,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,764.38 : 80,651.57 = 20,475.27 : x
  2. Step 2: Convert to fraction form
    53,764.38/80,651.57 = 20,475.27/x
  3. Step 3: Cross multiply
    53,764.38x = 80,651.57 × 20,475.27
  4. Step 4: Simplify right side
    53,764.38x = 1,651,362,569.30
  5. Step 5: Solve for x
    x = 1,651,362,569.30/53,764.38
  6. Step 6: Final answer
    x = 30,714.81

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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.