Home / 29,055.11-43,589.93-8,278.61

Finding the Fourth Proportional to 29,055.11, 43,589.93 and 8,278.61

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Solution

The fourth proportional to 29,055.11, 43,589.93 and 8,278.61 is: 12,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,055.11 : 43,589.93 = 8,278.61 : x
  2. Step 2: Convert to fraction form
    29,055.11/43,589.93 = 8,278.61/x
  3. Step 3: Cross multiply
    29,055.11x = 43,589.93 × 8,278.61
  4. Step 4: Simplify right side
    29,055.11x = 360,863,771.05
  5. Step 5: Solve for x
    x = 360,863,771.05/29,055.11
  6. Step 6: Final answer
    x = 12,419.98

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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.