Home / 49,624.09-74,435.96-21,540.48

Finding the Fourth Proportional to 49,624.09, 74,435.96 and 21,540.48

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Solution

The fourth proportional to 49,624.09, 74,435.96 and 21,540.48 is: 32,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,624.09 : 74,435.96 = 21,540.48 : x
  2. Step 2: Convert to fraction form
    49,624.09/74,435.96 = 21,540.48/x
  3. Step 3: Cross multiply
    49,624.09x = 74,435.96 × 21,540.48
  4. Step 4: Simplify right side
    49,624.09x = 1,603,386,501.08
  5. Step 5: Solve for x
    x = 1,603,386,501.08/49,624.09
  6. Step 6: Final answer
    x = 32,310.65

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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.