Home / 29,330.16-43,991.78-8,271.78

Finding the Fourth Proportional to 29,330.16, 43,991.78 and 8,271.78

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Solution

The fourth proportional to 29,330.16, 43,991.78 and 8,271.78 is: 12,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.16 : 43,991.78 = 8,271.78 : x
  2. Step 2: Convert to fraction form
    29,330.16/43,991.78 = 8,271.78/x
  3. Step 3: Cross multiply
    29,330.16x = 43,991.78 × 8,271.78
  4. Step 4: Simplify right side
    29,330.16x = 363,890,325.97
  5. Step 5: Solve for x
    x = 363,890,325.97/29,330.16
  6. Step 6: Final answer
    x = 12,406.69

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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.