Home / 29,108.12-43,625.62-12,448.54

Finding the Fourth Proportional to 29,108.12, 43,625.62 and 12,448.54

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Solution

The fourth proportional to 29,108.12, 43,625.62 and 12,448.54 is: 18,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.12 : 43,625.62 = 12,448.54 : x
  2. Step 2: Convert to fraction form
    29,108.12/43,625.62 = 12,448.54/x
  3. Step 3: Cross multiply
    29,108.12x = 43,625.62 × 12,448.54
  4. Step 4: Simplify right side
    29,108.12x = 543,075,275.59
  5. Step 5: Solve for x
    x = 543,075,275.59/29,108.12
  6. Step 6: Final answer
    x = 18,657.17

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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.