Home / 49,849.07-74,787.73-20,288.12

Finding the Fourth Proportional to 49,849.07, 74,787.73 and 20,288.12

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Solution

The fourth proportional to 49,849.07, 74,787.73 and 20,288.12 is: 30,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,849.07 : 74,787.73 = 20,288.12 : x
  2. Step 2: Convert to fraction form
    49,849.07/74,787.73 = 20,288.12/x
  3. Step 3: Cross multiply
    49,849.07x = 74,787.73 × 20,288.12
  4. Step 4: Simplify right side
    49,849.07x = 1,517,302,390.05
  5. Step 5: Solve for x
    x = 1,517,302,390.05/49,849.07
  6. Step 6: Final answer
    x = 30,437.93

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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.