Home / 38,351.79-57,474.45-28,984.14

Finding the Fourth Proportional to 38,351.79, 57,474.45 and 28,984.14

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Solution

The fourth proportional to 38,351.79, 57,474.45 and 28,984.14 is: 43,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.79 : 57,474.45 = 28,984.14 : x
  2. Step 2: Convert to fraction form
    38,351.79/57,474.45 = 28,984.14/x
  3. Step 3: Cross multiply
    38,351.79x = 57,474.45 × 28,984.14
  4. Step 4: Simplify right side
    38,351.79x = 1,665,847,505.22
  5. Step 5: Solve for x
    x = 1,665,847,505.22/38,351.79
  6. Step 6: Final answer
    x = 43,435.98

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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.