Home / 57,380.42-86,082.78-17,940.51

Finding the Fourth Proportional to 57,380.42, 86,082.78 and 17,940.51

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Solution

The fourth proportional to 57,380.42, 86,082.78 and 17,940.51 is: 26,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.42 : 86,082.78 = 17,940.51 : x
  2. Step 2: Convert to fraction form
    57,380.42/86,082.78 = 17,940.51/x
  3. Step 3: Cross multiply
    57,380.42x = 86,082.78 × 17,940.51
  4. Step 4: Simplify right side
    57,380.42x = 1,544,368,975.42
  5. Step 5: Solve for x
    x = 1,544,368,975.42/57,380.42
  6. Step 6: Final answer
    x = 26,914.57

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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.