Home / 38,653.70-57,977.31-12,351.38

Finding the Fourth Proportional to 38,653.70, 57,977.31 and 12,351.38

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Solution

The fourth proportional to 38,653.70, 57,977.31 and 12,351.38 is: 18,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.70 : 57,977.31 = 12,351.38 : x
  2. Step 2: Convert to fraction form
    38,653.70/57,977.31 = 12,351.38/x
  3. Step 3: Cross multiply
    38,653.70x = 57,977.31 × 12,351.38
  4. Step 4: Simplify right side
    38,653.70x = 716,099,787.19
  5. Step 5: Solve for x
    x = 716,099,787.19/38,653.70
  6. Step 6: Final answer
    x = 18,526.03

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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.