Home / 49,530.38-74,294.72-19,947.46

Finding the Fourth Proportional to 49,530.38, 74,294.72 and 19,947.46

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Solution

The fourth proportional to 49,530.38, 74,294.72 and 19,947.46 is: 29,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.38 : 74,294.72 = 19,947.46 : x
  2. Step 2: Convert to fraction form
    49,530.38/74,294.72 = 19,947.46/x
  3. Step 3: Cross multiply
    49,530.38x = 74,294.72 × 19,947.46
  4. Step 4: Simplify right side
    49,530.38x = 1,481,990,955.41
  5. Step 5: Solve for x
    x = 1,481,990,955.41/49,530.38
  6. Step 6: Final answer
    x = 29,920.85

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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.