Home / 27,479.48-41,219.53-8,759.36

Finding the Fourth Proportional to 27,479.48, 41,219.53 and 8,759.36

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Solution

The fourth proportional to 27,479.48, 41,219.53 and 8,759.36 is: 13,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.48 : 41,219.53 = 8,759.36 : x
  2. Step 2: Convert to fraction form
    27,479.48/41,219.53 = 8,759.36/x
  3. Step 3: Cross multiply
    27,479.48x = 41,219.53 × 8,759.36
  4. Step 4: Simplify right side
    27,479.48x = 361,056,783.45
  5. Step 5: Solve for x
    x = 361,056,783.45/27,479.48
  6. Step 6: Final answer
    x = 13,139.14

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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.