Home / 73,239.63-109,849.73-20,653.35

Finding the Fourth Proportional to 73,239.63, 109,849.73 and 20,653.35

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Solution

The fourth proportional to 73,239.63, 109,849.73 and 20,653.35 is: 30,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,239.63 : 109,849.73 = 20,653.35 : x
  2. Step 2: Convert to fraction form
    73,239.63/109,849.73 = 20,653.35/x
  3. Step 3: Cross multiply
    73,239.63x = 109,849.73 × 20,653.35
  4. Step 4: Simplify right side
    73,239.63x = 2,268,764,817.83
  5. Step 5: Solve for x
    x = 2,268,764,817.83/73,239.63
  6. Step 6: Final answer
    x = 30,977.28

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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.