Home / 49,676.72-74,515.68-19,698.32

Finding the Fourth Proportional to 49,676.72, 74,515.68 and 19,698.32

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Solution

The fourth proportional to 49,676.72, 74,515.68 and 19,698.32 is: 29,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,676.72 : 74,515.68 = 19,698.32 : x
  2. Step 2: Convert to fraction form
    49,676.72/74,515.68 = 19,698.32/x
  3. Step 3: Cross multiply
    49,676.72x = 74,515.68 × 19,698.32
  4. Step 4: Simplify right side
    49,676.72x = 1,467,833,709.66
  5. Step 5: Solve for x
    x = 1,467,833,709.66/49,676.72
  6. Step 6: Final answer
    x = 29,547.72

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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.