Home / 20,534.86-30,804.24-5,743.78

Finding the Fourth Proportional to 20,534.86, 30,804.24 and 5,743.78

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Solution

The fourth proportional to 20,534.86, 30,804.24 and 5,743.78 is: 8,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.86 : 30,804.24 = 5,743.78 : x
  2. Step 2: Convert to fraction form
    20,534.86/30,804.24 = 5,743.78/x
  3. Step 3: Cross multiply
    20,534.86x = 30,804.24 × 5,743.78
  4. Step 4: Simplify right side
    20,534.86x = 176,932,777.63
  5. Step 5: Solve for x
    x = 176,932,777.63/20,534.86
  6. Step 6: Final answer
    x = 8,616.22

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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.