Home / 53,790.42-80,696.57-18,732.81

Finding the Fourth Proportional to 53,790.42, 80,696.57 and 18,732.81

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Solution

The fourth proportional to 53,790.42, 80,696.57 and 18,732.81 is: 28,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.42 : 80,696.57 = 18,732.81 : x
  2. Step 2: Convert to fraction form
    53,790.42/80,696.57 = 18,732.81/x
  3. Step 3: Cross multiply
    53,790.42x = 80,696.57 × 18,732.81
  4. Step 4: Simplify right side
    53,790.42x = 1,511,673,419.80
  5. Step 5: Solve for x
    x = 1,511,673,419.80/53,790.42
  6. Step 6: Final answer
    x = 28,103.02

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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.